Input validation error in Libxml2

1) Input validation error

EUVDB-ID: #VU33938

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-2807

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Multiple integer overflows in libxml2, as used in Google Chrome before 20.0.1132.43 and other products, on 64-bit Linux platforms allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Libxml2: 6.0.19

CPE2.3

• cpe:2.3:a:gnome:libxml2:6.0.19:*:*:*:*:*:*:*

External links

https://code.google.com/p/chromium/issues/detail?id=129930
https://googlechromereleases.blogspot.com/2012/06/stable-channel-update_26.html
https://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html
https://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html
https://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html
https://secunia.com/advisories/50658
https://secunia.com/advisories/50800
https://secunia.com/advisories/54886
https://secunia.com/advisories/55568
https://support.apple.com/kb/HT5934
https://support.apple.com/kb/HT6001
https://www.debian.org/security/2012/dsa-2521
https://www.mandriva.com/security/advisories?name=MDVSA-2012:126
https://www.mandriva.com/security/advisories?name=MDVSA-2013:056
https://www.securityfocus.com/bid/54718
https://www.ubuntu.com/usn/USN-1587-1
https://hermes.opensuse.org/messages/15075728
https://hermes.opensuse.org/messages/15375990

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.