Fixes (via RedHat) for: CVE-2006-4334, CVE-2006-4335, CVE-2006-4336,

CVE-2006-4337 and CVE-2006-4338
Bump to nb2

4 files changed, 188 insertions, 0 deletions

diff --git a/archivers/gzip-base/patches/patch-ac b/archivers/gzip-base/patches/patch-ac
new file mode 100644
index 00000000000..e6912509d70
--- /dev/null
+++ b/archivers/gzip-base/patches/patch-ac
@@ -0,0 +1,13 @@
+$NetBSD: patch-ac,v 1.1 2006/09/23 13:52:17 adrianp Exp $
+
+--- gzip.h.orig	1993-08-13 08:35:00.000000000 +0100
++++ gzip.h
+@@ -199,6 +199,8 @@ extern int test;           /* check .z f
+ extern int to_stdout;      /* output to stdout (-c) */
+ extern int save_orig_name; /* set if original name must be saved */
+ 
++#define MIN(a,b) ((a) <= (b) ? (a) : (b))
++
+ #define get_byte()  (inptr < insize ? inbuf[inptr++] : fill_inbuf(0))
+ #define try_byte()  (inptr < insize ? inbuf[inptr++] : fill_inbuf(1))
+ 
diff --git a/archivers/gzip-base/patches/patch-ad b/archivers/gzip-base/patches/patch-ad
new file mode 100644
index 00000000000..b93ba61758e
--- /dev/null
+++ b/archivers/gzip-base/patches/patch-ad
@@ -0,0 +1,13 @@
+$NetBSD: patch-ad,v 1.1 2006/09/23 13:52:17 adrianp Exp $
+
+--- inflate.c.orig	1993-08-13 10:50:00.000000000 +0100
++++ inflate.c
+@@ -316,7 +316,7 @@ int *m;                 /* maximum looku
+   {
+     *t = (struct huft *)NULL;
+     *m = 0;
+-    return 0;
++    return 2;
+   }
+ 
+ 
diff --git a/archivers/gzip-base/patches/patch-ae b/archivers/gzip-base/patches/patch-ae
new file mode 100644
index 00000000000..9cbb875bb43
--- /dev/null
+++ b/archivers/gzip-base/patches/patch-ae
@@ -0,0 +1,132 @@
+$NetBSD: patch-ae,v 1.1 2006/09/23 13:52:17 adrianp Exp $
+
+--- unlzh.c.orig	1993-08-13 08:35:00.000000000 +0100
++++ unlzh.c
+@@ -148,13 +148,17 @@ local void make_table(nchar, bitlen, tab
+     unsigned i, k, len, ch, jutbits, avail, nextcode, mask;
+ 
+     for (i = 1; i <= 16; i++) count[i] = 0;
+-    for (i = 0; i < (unsigned)nchar; i++) count[bitlen[i]]++;
++    for (i = 0; i < (unsigned)nchar; i++) {
++	if (bitlen[i] > 16)
++	error("Bad table (case a)\n");
++	else count[bitlen[i]]++;
++    }
+ 
+     start[1] = 0;
+     for (i = 1; i <= 16; i++)
+ 	start[i + 1] = start[i] + (count[i] << (16 - i));
+-    if ((start[17] & 0xffff) != 0)
+-	error("Bad table\n");
++    if ((start[17] & 0xffff) != 0 || tablebits > 16) /* 16 for weight below */
++	error("Bad table (case b)\n");
+ 
+     jutbits = 16 - tablebits;
+     for (i = 1; i <= (unsigned)tablebits; i++) {
+@@ -168,15 +172,15 @@ local void make_table(nchar, bitlen, tab
+ 
+     i = start[tablebits + 1] >> jutbits;
+     if (i != 0) {
+-	k = 1 << tablebits;
+-	while (i != k) table[i++] = 0;
++	k = MIN(1 << tablebits, DIST_BUFSIZE);
++	while (i < k) table[i++] = 0;
+     }
+ 
+     avail = nchar;
+     mask = (unsigned) 1 << (15 - tablebits);
+     for (ch = 0; ch < (unsigned)nchar; ch++) {
+ 	if ((len = bitlen[ch]) == 0) continue;
+-	nextcode = start[len] + weight[len];
++	nextcode = MIN(start[len] + weight[len], DIST_BUFSIZE);
+ 	if (len <= (unsigned)tablebits) {
+ 	    for (i = start[len]; i < nextcode; i++) table[i] = ch;
+ 	} else {
+@@ -217,7 +221,7 @@ local void read_pt_len(nn, nbit, i_speci
+ 	for (i = 0; i < 256; i++) pt_table[i] = c;
+     } else {
+ 	i = 0;
+-	while (i < n) {
++	while (i < MIN(n,NPT)) {
+ 	    c = bitbuf >> (BITBUFSIZ - 3);
+ 	    if (c == 7) {
+ 		mask = (unsigned) 1 << (BITBUFSIZ - 1 - 3);
+@@ -227,7 +231,7 @@ local void read_pt_len(nn, nbit, i_speci
+ 	    pt_len[i++] = c;
+ 	    if (i == i_special) {
+ 		c = getbits(2);
+-		while (--c >= 0) pt_len[i++] = 0;
++		while (--c >= 0 && i < NPT) pt_len[i++] = 0;
+ 	    }
+ 	}
+ 	while (i < nn) pt_len[i++] = 0;
+@@ -247,7 +251,7 @@ local void read_c_len()
+ 	for (i = 0; i < 4096; i++) c_table[i] = c;
+     } else {
+ 	i = 0;
+-	while (i < n) {
++	while (i < MIN(n,NC)) {
+ 	    c = pt_table[bitbuf >> (BITBUFSIZ - 8)];
+ 	    if (c >= NT) {
+ 		mask = (unsigned) 1 << (BITBUFSIZ - 1 - 8);
+@@ -255,14 +259,14 @@ local void read_c_len()
+ 		    if (bitbuf & mask) c = right[c];
+ 		    else               c = left [c];
+ 		    mask >>= 1;
+-		} while (c >= NT);
++		} while (c >= NT && (mask || c != left[c]));
+ 	    }
+ 	    fillbuf((int) pt_len[c]);
+ 	    if (c <= 2) {
+ 		if      (c == 0) c = 1;
+ 		else if (c == 1) c = getbits(4) + 3;
+ 		else             c = getbits(CBIT) + 20;
+-		while (--c >= 0) c_len[i++] = 0;
++		while (--c >= 0 && i < NC) c_len[i++] = 0;
+ 	    } else c_len[i++] = c - 2;
+ 	}
+ 	while (i < NC) c_len[i++] = 0;
+@@ -291,7 +295,7 @@ local unsigned decode_c()
+ 	    if (bitbuf & mask) j = right[j];
+ 	    else               j = left [j];
+ 	    mask >>= 1;
+-	} while (j >= NC);
++	} while (j >= NC && (mask || j != left[j]));
+     }
+     fillbuf((int) c_len[j]);
+     return j;
+@@ -308,7 +312,7 @@ local unsigned decode_p()
+ 	    if (bitbuf & mask) j = right[j];
+ 	    else               j = left [j];
+ 	    mask >>= 1;
+-	} while (j >= NP);
++	} while (j >= NP && (mask || j != left[j]));
+     }
+     fillbuf((int) pt_len[j]);
+     if (j != 0) j = ((unsigned) 1 << (j - 1)) + getbits((int) (j - 1));
+@@ -355,7 +359,7 @@ local unsigned decode(count, buffer)
+     while (--j >= 0) {
+ 	buffer[r] = buffer[i];
+ 	i = (i + 1) & (DICSIZ - 1);
+-	if (++r == count) return r;
++	if (++r >= count) return r;
+     }
+     for ( ; ; ) {
+ 	c = decode_c();
+@@ -365,14 +369,14 @@ local unsigned decode(count, buffer)
+ 	}
+ 	if (c <= UCHAR_MAX) {
+ 	    buffer[r] = c;
+-	    if (++r == count) return r;
++	    if (++r >= count) return r;
+ 	} else {
+ 	    j = c - (UCHAR_MAX + 1 - THRESHOLD);
+ 	    i = (r - decode_p() - 1) & (DICSIZ - 1);
+ 	    while (--j >= 0) {
+ 		buffer[r] = buffer[i];
+ 		i = (i + 1) & (DICSIZ - 1);
+-		if (++r == count) return r;
++		if (++r >= count) return r;
+ 	    }
+ 	}
+     }
diff --git a/archivers/gzip-base/patches/patch-af b/archivers/gzip-base/patches/patch-af
new file mode 100644
index 00000000000..b465798ce41
--- /dev/null
+++ b/archivers/gzip-base/patches/patch-af
@@ -0,0 +1,30 @@
+$NetBSD: patch-af,v 1.1 2006/09/23 13:52:17 adrianp Exp $
+
+--- unpack.c.orig	1993-08-13 08:35:00.000000000 +0100
++++ unpack.c
+@@ -12,7 +12,6 @@ static char rcsid[] = "$Id: unpack.c,v 1
+ #include "gzip.h"
+ #include "crypt.h"
+ 
+-#define MIN(a,b) ((a) <= (b) ? (a) : (b))
+ /* The arguments must not have side effects. */
+ 
+ #define MAX_BITLEN 25
+@@ -132,7 +131,7 @@ local void read_tree()
+ 	/* Remember where the literals of this length start in literal[] : */
+ 	lit_base[len] = base;
+ 	/* And read the literals: */
+-	for (n = leaves[len]; n > 0; n--) {
++	for (n = leaves[len]; n > 0 && base < LITERALS; n--) { 
+ 	    literal[base++] = (uch)get_byte();
+ 	}
+     }
+@@ -168,7 +167,7 @@ local void build_tree()
+     prefixp = &prefix_len[1<<peek_bits];
+     for (len = 1; len <= peek_bits; len++) {
+ 	int prefixes = leaves[len] << (peek_bits-len); /* may be 0 */
+-	while (prefixes--) *--prefixp = (uch)len;
++	while (prefixes-- && prefixp > prefix_len) *--prefixp = (uch)len;
+     }
+     /* The length of all other codes is unknown: */
+     while (prefixp > prefix_len) *--prefixp = 0;