diff options
Diffstat (limited to 'www/w3m/patches/patch-ag')
| -rw-r--r-- | www/w3m/patches/patch-ag | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/www/w3m/patches/patch-ag b/www/w3m/patches/patch-ag new file mode 100644 index 00000000000..28dd41800de --- /dev/null +++ b/www/w3m/patches/patch-ag @@ -0,0 +1,41 @@ +$NetBSD: patch-ag,v 1.1 2001/06/24 05:57:24 itojun Exp $ + +plug buffer overrun vulnerability in mime charset parsing +http://mi.med.tohoku.ac.jp/~satodai/w3m-dev-en/200106.month/537.html + +--- mimehead.c Sun Jun 24 14:49:45 2001 ++++ mimehead.c Sun Jun 24 14:46:53 2001 +@@ -173,27 +173,26 @@ + decodeWord(char **ow) + { + #endif +- char buf[32]; + char *p, *w = *ow; + char method; + Str a = Strnew(); ++ Str cs = Strnew(); + + if (*w != '=' || *(w + 1) != '?') + goto convert_fail; + w += 2; +- for (p = buf; p - buf < 31 && *w != '?'; w++) { ++ for (; *w != '?'; w++) { + if (*w == '\0') + goto convert_fail; +- *(p++) = *w; ++ Strcat_char(cs, *w); + } +- *p = '\0'; + #ifdef USE_M17N +- c = wc_guess_charset(buf, 0); ++ c = wc_guess_charset(cs->ptr, 0); + if (! c) + goto convert_fail; + #else +- if (strcasecmp(buf, "ISO-8859-1") != 0 && +- strcasecmp(buf, "US_ASCII") != 0) ++ if (Strcasecmp_charp(cs, "ISO-8859-1") != 0 && ++ Strcasecmp_charp(cs, "US_ASCII") != 0) + /* NOT ISO-8859-1 encoding ... don't convert */ + goto convert_fail; + #endif |