openwrtv3/openwrt/package/zlib/patches/zlib-1.2.2-CAN-2005-2096.patch
Felix Fietkau a47f2a3dff add a load of fixes from whiterussian to head
SVN-Revision: 1410
2005-07-11 20:26:57 +00:00

26 lines
1 KiB
Diff

Name: CAN-2005-2096 (under review)
Description:
Buffer overflow in zlib 1.2 and later versions allows remote attackers
to cause a denial of service (crash) via a crafted compressed stream, as
demonstrated using a crafted PNG file.
References:
* DEBIAN:DSA-740
http://www.debian.org/security/2005/dsa-740
* REDHAT:RHSA-2005:569
http://www.redhat.com/support/errata/RHSA-2005-569.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2096
diff -ruN zlib-1.2.2-old/inftrees.c zlib-1.2.2-new/inftrees.c
--- zlib-1.2.2-old/inftrees.c 2004-09-15 16:30:06.000000000 +0200
+++ zlib-1.2.2-new/inftrees.c 2005-07-08 21:18:58.000000000 +0200
@@ -134,7 +134,7 @@
left -= count[len];
if (left < 0) return -1; /* over-subscribed */
}
- if (left > 0 && (type == CODES || (codes - count[0] != 1)))
+ if (left > 0 && (type == CODES || max != 1))
return -1; /* incomplete set */
/* generate offsets into symbol table for each length for sorting */