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Bump snort{-mysql,-pgsql} to nb1
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automatically detects whether we want the pkginstall machinery to be
used by the package Makefile.
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CONFIGURE_ARGS.
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example MAKE_ENV+=FOO=${BAR} is changed to MAKE_ENV+=FOO=${BAR:Q}. Some
other changes are outlined in
http://mail-index.netbsd.org/tech-pkg/2005/12/02/0034.html
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- Fixed potential buffer overflow in BackOrifice preprocessor and
added an alert on attempt to overflow buffer in snort. Thanks
Andy Mullican for the fix.
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- don't try to actually open the log file when in test mode
- Fixes to address schema being a keyword in MySQL 5.0
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From the ChangeLog:
> 2005-09-16 - Snort 2.4.1 Released
> [*] New additions
> * Added a -K command line option to manually select the logging mode using
> a single switch. The -b and -N switches will be deprecated in version
> 2.7. Pcap logging is now the default for Snort at startup, use "-K ascii"
> to revert to old behavior.
>
> [*] Improvements
> * Win32 version now supports winpcap 3.1 and MySQL client 4.13.
> * Added event on zero-length RPC fragments.
> * Fixed TCP SACK processing for text based outputs that could result in a
> DoS.
> * General improvements to frag3 including Teardrop detection fix.
> * Fixed a bug in the PPPoE decoder.
> * Added patch for time stats from Bill Parker. Enable with configure
> --enable-timestats.
> * Fixed IDS mode bailing at startup if logdir is specified in snort.conf
> and /var/log/snort doesn't exist.
> * Added decoder for IPEnc for OpenBSD. Thanks Jason Ish for the patch
> (long time ago) and Chris Kuethe for reraising the issue.
> * Allow snort to use usernames (-u) and groupnames (-g) that include
> numbers. Thanks to Shaick for the patch.
> * Fixed broken -T option.
> * Change ip_proto to ip for portscan configuration. Thanks David Bianco
> for pointing this out.
> * Fix for prelude initialization. Thanks Yoann Vandoorselaere for the
> update.
> * For content matches, when subsequent rule options fail, start searching
> again in correct location.
> * Updated Win32 to handle pflog patch.
> * Added support for new OpenBSD pflog format. Older pflog format,
> OpenBSD 3.3 and earlier is still supported. Thanks Breno Leitao
> and Christian Reis for the patch.
> * Added statistics counter for ETH_LOOPBACK packets. Thanks rmkml
> for the patch.
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http://secunia.com/advisories/16786/
Whitespace police on MESSAGE
Bump to nb1
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backslashes anymore. A single backslash is enough. Changed the
definition in all affected packages. For those that are not caught, an
additional check is placed into bsd.pkginstall.mk.
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as the INSTALL and DEINSTALL scripts no longer distinguish between
the two types of files. Drop SUPPORT_FILES{,_PERMS} and modify the
packages in pkgsrc accordingly.
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If you are using this package make note of the distribution change
mentioned below. I have update the MESSAGE to inform users of this and
there is now also a net/snort-rules package with the community rules.
> [*] Distribution Change
> * Rules are no longer distributed as part of the Snort releases, they are
> available as a separate download from snort.org. This was done for
> three reasons:
> 1) To better manage the new rules licensing.
> 2) To reduce the size of the engine download.
> 3) To move the thousands of documentation files for the rules into
> the rules tarballs. If you've ever checked Snort out of CVS you'll
> know why this is a Good Thing.
>
> [*] New additions
> * Added new IP defragmentation preprocessor, Frag3. The frag3 preprocessor
> is a target-based IP defragmentation module, and is intended as a
> replacement for the frag2 module. Check out the README.frag3 for full
> info on this new preprocessor.
>
> * Libprelude support has been added (enable with --enable-prelude).
> Thanks Yoann Vandoorselaere!
>
> * An "ftpbounce" rule detection plugin was added for easier detection of
> FTP bounce attacks.
>
> * Added a new Snort config option, "ignore_ports," to ignore packets
> based on port number. This is similar to bpf filters, but done within
> snort.conf.
>
> [*] Improvements
> * Snort startup messages printed in syslog now contain a PID before each
> entry. Thanks Sekure for initially bringing this up.
>
> * Stream4: Performance improvements.
>
> * Stream4: Added 'max_session_limit' option which limits number of
> concurrent sessions tracked. Added favor_old/favor_new options that
> affect order in which packets are put together for reassembly.
>
> * Stream4: New configuration options to manage flushpoints for improved
> anti-evasion. The flush_behavior option selects flushpoint management
> mode. New flush_base, flush_range, and flush_seed manage randomized
> flushing. Check out the snort.conf file for full config data on the
> new flush options.
>
> * Added two more alerts for BackOrifice client and server packets. This
> allows specific alerts to be suppressed.
>
> * PerfMon preprocessor updated to include more detailed stats for rebuilt
> packets (applayer, wire, fragmented & TCP). Also added 'atexitonly'
> option that dumps stats at exit of snort, and command line -Z flag to
> specify the file to which stats are logged.
>
> * Added new Http Inspect config item, "tab_uri_delimiter," which if
> specified, lets a tab character (0x09) act as the delimiter for a URI.
>
> * Added a '-G' command line flag to snort that specifies the Snort
> instance log identifier. It takes a single argument that can be either
> hex (prefaced with 0x) or decimal. The unified log files will include
> the instance ID when the -G flag is used.
>
> * "Same SRC/DST" (sid 527) and "Loopback Traffic" (sid 528) are now
> handled in the IP decoder. Those sids are now considered obsolete.
>
> * Http_Inspect "flow_depth" option now accepts a -1 value which tells
> Snort to ignore all server-side traffic.
>
> * RPMs have been updated to be more portable, and also now include a
> "--with inline" option for those wanting to build Inline RPMs. Thanks
> Daniel Wittenberg and JP Vossen for your help!
>
> * Many, many bug fixes have also gone into this release, please see the
> ChangeLog for details.
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- Fix /var => ${VARBASE}
- Changes Include:
> * Issues with suppressing sfPortscan Open Ports have been fixed.
>
> * Added a new mini-preprocessor to catch the X-Link2State
> vulnerability. This preprocessor can be configured to drop the
> offending connection when in Inline-mode. Please read snort.conf or
> the snort manual for more details. This preprocessor is enabled by
> default in snort.conf.
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2005-03-10 - Snort 2.3.2 Released
* Removed end-of-line parser fix in favor of completely reworking
this at the next parser overhaul.
2005-03-09 - Snort 2.3.1 Released
* Fixed issue where the number of flowbits were too small. Thanks Marc
Norton for the fix.
* Fixed parsing of comments at end of line in config file. In
snort.conf, anything that follows a # on a line is considered a
comment. Thanks Steve Sturges for the fix.
* Fixed alignment issue causing sfPortscan to crash on Solaris/HPUX.
Thanks Andy Mullican for the fix. Thanks Senthil Prabu.S and
Jonathan Miner for working with us on this.
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2005-01-25 - Snort 2.3.0 Final Released
* Fixed issue with sfPortscan reporting incorrect IP datagram length.
Thanks Jon Hart for the test case and finding the bug, and Marc Norton
for resolving the issue.
* Threshold/Suppression now prints properly when logging to syslog.
Thanks Sekure for pointing out the problem. Thanks Steve Sturges for
working on the fix.
* Threshold memcap argument now correctly handles non-integer input.
Thanks nnposter for the patch.
* Fixed issue reported by Allan Jensen, where on MacOS X, ppp links were
not decoded properly. Thanks Dan Roelker for the fix.
* Snort manual and FAQ are updated for 2.3. Thanks Jen Harvey for your
work on putting it all together.
2004-12-15 - Snort 2.3.0 RC2 Released
* Small performance improvement to arpspoof and also fixed a problem
where the list of configured IP/MAC entries would contain only one
entry and leaked memory (Jeff Nathan).
* Fixed a problem affecting MacOS X where linking may fail with
non-standard libraries when global symbols are encountered multiple
times (Jeff Nathan).
* Ignore RST|ACK midstream pickup case so we don't get an evasive TCP
alerts. Thanks for the report, Sekure. Thanks Dan Roelker for the fix.
* Moved CheckLogDir() to after parsing snort.conf (for IDS mode) so the
logdir config will work if the default or command-line logdir does not
exist on the system. Thanks Dan Roelker.
* Fixed bug when setting the doe_ptr on a successful pcre match.
It is now set relative to base_ptr. Thanks Steve Sturges for the
fix.
* Added from_beginning and multiplier options for byte_jump.
from_beginning skips bytes from the beginning of the content,
instead of from the location immediately following the number
of bytes to skip. multiplier takes a numeric argument, and
skips x times that number of bytes. Thanks again to Steve Sturges.
* In "fast" output, now log only actual packet contents when UDP
data length is greater than actual data length. Thanks Brian
Caswell for spotting this, and Andrew Mullican for working on the fix.
* Please check the ChangeLog for further details.
2004-11-18 - Snort 2.3.0 RC1 Released
* Added IPS functionality from Snort-Inline. A big thanks to the
Snort-Inline guys (Jed Haile, Rob McMillen, William Metcalf, and Victor
Julien). Also, Thanks Dan Roelker for doing the integrating of
Snort-Inline into the official Snort project.
* Added new portscan detector. The design and implementation was headed
up by Dan Roelker, and included Marc Norton and Jeremy Hewlett.
* Numerous changes for better 64bit Snort support from Jeremy Hewlett and
Marc Norton. Additionally, an --enable-64bit-gcc option was added to
configure. However, there are still some memory alignment issues to
work out before 64bit mode is fully functional, patches are welcomed.
Thanks Chris Baker for doing 64bit testing.
* Added not_established keyword to the flow detection option. This allows
snort to do dynamic firewall rulesets. Experimental for now.
* Added an enforce_state keyword to stream4 so we won't pick up midstream
sessions. This works well for asynchronous links and also for
just monitoring legitimate traffic.
* Relocated ./contrib files to http://www.snort.org/dl/contrib as many
are not maintained by Sourcefire and are out of date. The rpm and
schema files have been relocated in their respective 'rpm' and 'schemas'
directories under the snort parent directory.
* perfmonitor config line can now be configured with "accumulate" or
"reset." Thanks Marc Norton for the feature, and Barry Basselgia for
pointing out the issue. Thanks Scott Dexter and Andreas Ostling for
doing some initial testing.
* Fixed 64-bit bug in sfmemcap.c found and tested by Ryan Matteson
and Clay McClure. Thanks guys.
* Fixed reference times to match log time for first packet, for an event
generated by a reassembled packet. Incremented event ID to give
unique ID for each packet. Also made unified logging compatible with
Windows. Thanks Andrew Mullican for the fix.
* Fixed linux perfmonitoring stats for the 2.6 kernel. Thanks to
everyone that reported this bug. Thanks Dan Roelker for the fix.
* Get thresholding/suppression to work for alerts that do not
contain an ip header (primarily decode alerts). Thanks
Brian Caswell.
* Fix conditions where snort would log double web alerts that
contained only content options (no uricontents). Thanks to kawa for
finding and reporting this bug.
* Fix suppression/thresholding bug for non-rule alerts. Thanks to
Alex Butcher for reporting it to us.
* Many other bug fixes, please check the ChangeLog for details.
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- ok'ed snj@, wiz@
- Install database scripts which goes a part-way to addressing PR 18996
Updated database schema diagram from Chris Reid. Schema can be found in
./doc/snort_schema_v106.pdf
Added --include-pcre* configuration option to help cross compiling. Thanks
Erik de Castro Lopo.
Fixed thresholding/suppression issue with queuing multiple events per packet.
Thanks Andreas Ostling.
When a rebuilt stream causes an alert, log out the original packets instead of
the rebuilt packet. Thanks sekure@gmail.com for the report.
Turned off http_inspect alerts that were causing false positives in the preset
webserver profiles (Thanks Dan Roelker).
Turn off encoding alerts in HTTP parameter field. The parameter field is still
normalized, it just doesn't alert. This helps reduce alerts that are generated
from complex parameter queries (Thanks Dan Roelker).
Fixed memory leak in "fast" output. Thanks for your bug report
sekure@gmail.com.
Clear error code which under Windows was causing a subsequent false failure in
parsing threshold rules. (Thanks to Rich Adamson)
Further details can be found in Changelog and RELEASE.NOTES.
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- Grab maintainership of the package (with ok of previous owner)
- Use SUBST_* code
Ok'ed wiz@, snj@, salo@
From the changelog:
2004-05-06 Daniel Roelker <droelker@sourcefire.com>
* src/detection-plugins/sp_pattern_match.c:
Fixed rule read up error when parsing hexmode content options.
Thanks for pointing it out Toni Maatta. (Roelker)
* src/preprocessors/spp_stream4.c:
Fixed null pointer dereference when detect_scans were enabled and
creating a new session that had funky flags. Thanks to Chad
Kreimendahl for reporting the bug and testing the fix. (Roelker)
2004-04-20 Daniel Roelker <droelker@sourcefire.com>
* src/event_queue.c:
* src/event_queue.h:
* src/sfutil/sfeventq.c:
* src/sfutil/sfeventq.h:
Added multi-event queueing in Snort. Snort now supports logging
multiple events per packet, and prioritizing those events using
different methods. Thanks to H.D. Moore for illustrating event
obfuscations when snort only logged one event per packet. (Roelker)
* src/snort.c:
* src/decode.c:
* src/detect.c:
* src/fpcreate.c:
* src/fpdetect.c:
* src/preprocessors/spp_arpspoof.c:
* src/preprocessors/spp_bo.c:
* src/preprocessors/spp_frag2.c:
* src/preprocessors/snort_httpinspect.c:
* src/preprocessors/spp_rpc_decode.c:
* src/preprocessors/spp_stream4.c:
Updated event generators to use new event queueing sytem. (Roelker)
* src/output-plugins/spo_alert_fast.c:
Added newline to 'cmg' alert output, so IP decode is easier to
read. (Roelker)
* src/output-plugins/spo_database.c:
Updated how current/utc times are calculated, as well as how they are
formatted, thanks Marcus Janoski. (Reid)
* src/parser.c:
Error on unterminated IP lists. Added 'config event_queue' parameter.
Configuration changes to 'config checksum_mode' for specifying
which checksums to do. (Norton)
* src/plugbase.h:
Fixes from Chris Reid for timestamp routines. (Reid)
* src/tag.c:
Revert to old tag functionality. Will add proposed tagging
configurations in the future. (Roelker)
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While here, convert to buildlink3.
Changes:
* Various portability fixes.
* Fixed conversation parsing faults so users can operate this
preprocessor
* Detect non-rfc standard chunk encodings. Detect abnormal HTTP
requests with newlines, spaces, etc. before the request method.
* Fix negative stats output on snort exit or SIGUSR1.
* Removed escaping of '%' and '_' characters in MySQL
* Various documentation fixes/updates.
* Added Flowbits detection functionality.
* Added utility to parse out perfmon stats.
* Tagged Packets no longer have NULL msg name.
* Fixed http_inspect double alerting on pkts and rebuilt streams.
* http_inspect proxy_alert now supports normal proxy networks setups.
http_inspect default server only valid if specified in config.
* Close Socket when Snort receives SIGHUP.
* Added GID, SID, and Rev to csv output.
* config chroot readded.
* Added additional error checking for custom rules.
* Flow now honors -q (quiet).
* Removed non_rfc_chars from default profiles.
* Added suppression negation.
* Better support for ODBC. Better memory management. Improved escaping
of SQL strings.
* Other miscellaneous bugfixes.
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Changes:
2.1.0:
======
- A new connection tracking module, Flow (replaces conversation)
- A new portscan detector based off of Flow, Flow-Portscan (replaces
portscan2)
- A new http preprocessor, HttpInspect (replaces http_decode)
- Alert Thresholding and Suppression
- PCRE rule keyword (Perl Compat Regular Expressions)
- isdataat rule keyword (buffer length detection)
- A ton of new and updated rules.
2.0.6:
======
- 64-bit update for detection engine. (Thanks, Silio d'Angelo)
- Added better PPP decoding. (Thanks Jesper Peterson)
- Updated ip_proto optimization for high-speed detection engine.
- Fixed infinite loop problem that was introduced by the recursive pattern
matching patch. Reported by Lawrence Reed, thanks for testing out the
changes for us!
- Various changes to help respond (version 1) work a little better.
- spp_http_decode 64-bit patch from Dirk Mueller.
- Out-of-order ACK problem from Andrew Rucker. Also, updated stream4 to the
most recent version from HEAD.
- Minor fixes to tagging related to 'src' and 'dst' directives
- When counting one byte patterns in 'ningroup' added a check for
psLen==1 (wu-manber pattern matcher). Thanks Josh Sakofsky and Dennis
McGuire for helping us test this.
2.0.5:
======
- Stream4 fixes from Andrew Rucker Jones.
- Allow memcap to be configured for threshold features.
2.0.4:
======
- Fixed a core dump introduced with 2.0.3 when dealing with negated patterns
2.0.3:
======
- doe_ptr handling in byte_test/byte_jump slightly modified to work
better with the pcre patch
- content processing is now recursive to make distance/within processing
better ( thanks to Shai Rubin for patch! )
- fixed a bug in the mwm.c pattern matcher that resulted in some alerts
not firing in a particular configuration of rules
2.0.2:
======
- Added Thresholding and Suppression features (Marc Norton/Sourcefire)
- Fixed TCP RST processing bug found (Shai Rubin)
- Cleanup of spp_arpspoof (Jeff Nathan)
- Cleanup of win32 version including proper Event Log support (Chris Reid)
- Munged data fixes for stream4 (Chris Green)
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Patch from Adrian Portelli via PR pkg/22900.
Changes:
- Added Thresholding and Suppression features (Marc Norton/Sourcefire)
- Fixed TCP RST processing bug found (Shai Rubin)
- Cleanup of spp_arpspoof (Jeff Nathan)
- Cleanup of win32 version including proper Event Log support (Chris Reid)
- Munged data fixes for stream4 (Chris Green)
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Changes:
- fix host endianess problem in udp decoder
- vlan decoding fixes from Michael Pomraning
- add tcp state checking to httpflow
- ignoring bad checksums throughout snort if checksumming is turned on
- config disable_ttcp_alerts is now also config disable_tcpopt_ttcp_alerts
- better initialization handling of low memory conditions pointing to the
- low memory search engine
- byte_jump / byte_test 2 byte cases handled and unified
- correctly assign port numbers on tcpoption events
- pass rule logic changed to "win" in specific multiple event cases
- named interface support for win32 from the winpcap folks
- spp_bo now also will work with log-only output plugins
- added window detection plugin documentation to manual
- lots of new rules and tons of rule documentation
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before but apparently i did not :/)
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IMPORTANT: This version fixes remotely exploitable heap overflow in the stream4
preprocessor module.
Advisory: http://www.coresecurity.com/common/showdoc.php?idx=313&idxseccion=10
Changes:
2.0.0:
======
- Enhanced high-performance detection engine
- Stateful Pattern Matching
- New detection keywords: byte_test & byte_jump
- The Snort code base has undergone an external third party professional
security audit funded by Sourcefire (http://www.sourcefire.com)
- Many new and updated rules
- snort.conf has been updated
- Enhancements to self preservation mechanisms in stream4 and frag2
- State tracking fixes in stream4
- New HTTP flow analyzer
- Enhanced protocol decoding (TCP options, 802.1q, etc)
- Enhanced protocol anomaly detection (IP, TCP, UDP, ICMP, RPC, HTTP, etc)
- Enhanced flexresp mode for real-time TCP session sniping
- Better chroot()'ing
- Tagging system updated
- Several million bugs addressed....
- Updated FAQ (thanks to Erek Adams and Dragos Ruiu) Snort 2.0 can be
downloaded at http://www.snort.org/dl/snort-2.0.0.tar.gz. Binary
versions of the codebase will be built over the next several days and
made available at here.
2.0.rc4:
========
- byte_jump/byte_test don't force relative content options
- byte_jump/byte_test absolute offsets work
- Better FIN handling in Stream4
2.0.rc3:
========
- A low memory usage detection method (enabled via "config detection:
search-method lowmem")
- Moved the default unix socket location to LOGDIR
2.0.rc2:
========
- syslog should work on win32 and unix
- major tagging updates
- new UDP decoding alerts
- snort.conf updates
2.0.rc1:
========
- Higher performance (due to a new pattern matcher and rebuilt detection
engine)
- Better decoders
- Enhanced stream reassembly and defragmentation
- Tons of bug fixes
- Updated rules
- Updated snort.conf
- New detection keywords (byte_test, byte_jump, distance, within) &
stateful pattern matching
- New HTTP flow analyzer
- Enhanced anomaly detection (HTTP, RPC, TCP, IP, etc)
- Better self preservation in stateful subsystems
- Xrefs fixed
- Flexresp works faster and more effectively
- Better chroot()'ing
- Fixed 802.1q decoding
- Better async state handling
- New alerting option: -A cmg!!
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This version fixes the buffer overflow issue noted in:
http://www.kb.cert.org/vuls/id/916785
Changes:
- follow PKG_SYSCONFDIR
- added rc.d script
- create own user and group
- added MESSAGE with post-install instructions
- removed DEINSTALL
- minor cleanups (this package was really half-baked..)
1.9.1:
======
- src/preprocessors/spp_rpc_decode.c (PreprocRpcDecode):
- alignment errors on non-x86 platforms
- added new space delimited options
alert_fragments
no_alert_multiple_requests
no_alert_large_fragments
no_alert_incomplete
- corrected buffer overflow in fragment normalization
- src/snort.c
- Win32 '-s' parameter wasn't configured to accept an optarg,
but code expected one, causing null-pointer violation.
- Backport of 2.0 fixes for stream4 ( off by one errors on reassembly )
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Lots of new rules, extended analyzing of packages etc.
Fixes PR 18637 by Adrian Portelli <adrianp@stindustries.net>
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include this file.
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Changes:
The main purpose of this release is a stable target with many fragroute
and tcp connection oriented fixes. This is also the last release of the
1.8.7 line and signals the start of the beta cycle for the 1.9 branch.
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package. For that purpose, move most of Makefile into a new
Makefile.common.
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