Input validation error in Mozilla Firefox

1) Input validation error

EUVDB-ID: #VU32821

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2012-0823

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

VP8 Codec SDK (libvpx) before 1.0.0 "Duclair" allows remote attackers to cause a denial of service (application crash) via (1) unspecified "corrupt input" or (2) by "starting decoding from a P-frame," which triggers an out-of-bounds read, related to "the clamping of motion vectors in SPLITMV blocks".

Mitigation

Install update from vendor's website.

Vulnerable software versions

Mozilla Firefox: 1.0.1 - 1.0.8

CPE2.3

• cpe:2.3:a:mozilla:mozilla_firefox:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_firefox:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:mozilla:mozilla_firefox:1.0.3:*:*:*:*:*:*:*

External links

http://blog.webmproject.org/2012/01/vp8-codec-sdk-duclair-released.html
http://code.google.com/p/webm/source/browse/CHANGELOG?repo=libvpx
http://www.mandriva.com/security/advisories?name=MDVSA-2012:023
http://www.openwall.com/lists/oss-security/2012/01/28/4
http://www.openwall.com/lists/oss-security/2012/01/30/2
http://www.securityfocus.com/bid/51775

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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