Secunia Security Advisory - A vulnerability has been reported in zlib, which can be exploited by malicious people to conduct a DoS (Denial of Service) against a vulnerable application, or potentially to execute arbitrary code.
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TITLE:
zlib "inftrees.c" Buffer Overflow Vulnerability
SECUNIA ADVISORY ID:
SA15949
VERIFY ADVISORY:
http://secunia.com/advisories/15949/
CRITICAL:
Highly critical
IMPACT:
DoS, System access
WHERE:
>From remote
SOFTWARE:
zlib 1.x
http://secunia.com/product/3847/
DESCRIPTION:
A vulnerability has been reported in zlib, which can be exploited by
malicious people to conduct a DoS (Denial of Service) against a
vulnerable application, or potentially to execute arbitrary code.
The vulnerability is caused due to a boundary error in "inftrees.c"
when handling corrupted compressed data streams. This can be
exploited to crash any application that uses the zlib library, or
potentially to execute arbitrary code with privileges of the
vulnerable application.
The vulnerability has been reported in version 1.2.2. Prior versions
may also be affected.
SOLUTION:
No updates are currently available from the vendor.
Several Linux distributions have issued updated packages.
PROVIDED AND/OR DISCOVERED BY:
Tavis Ormandy, Gentoo Linux Security Audit Team
ORIGINAL ADVISORY:
Gentoo:
http://www.gentoo.org/security/en/glsa/glsa-200507-05.xml
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