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Zero Day Initiative Advisory 12-059

Zero Day Initiative Advisory 12-059
Posted Apr 10, 2012
Authored by Tipping Point | Site zerodayinitiative.com

Zero Day Initiative Advisory 12-059 - This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists in the parsing of Ogg Vorbis media files. By crafting a stream with specific values , it is possible to cause a decoding loop that copies memory to write controlled data beyond the end of a fixed size buffer. An attacker can leverage this behavior to gain remote code execution under the context of the current process.

tags | advisory, remote, arbitrary, code execution
advisories | CVE-2012-0444
SHA-256 | 8301227408abf61ea4f87c4aa97eee456073e86bfc0c62d51ee575bd80b3da0f

Zero Day Initiative Advisory 12-059

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ZDI-12-059 : Mozilla Firefox Ogg Vorbis Decoding Memory Corruption
Remote Code Execution Vulnerability

http://www.zerodayinitiative.com/advisories/ZDI-12-059

April 9, 2012

- -- CVE ID:
CVE-2012-0444

- -- CVSS:
7.5, AV:N/AC:L/Au:N/C:P/I:P/A:P

- -- Affected Vendors:

Mozilla



- -- Affected Products:

Mozilla Firefox



- -- Vulnerability Details:
This vulnerability allows remote attackers to execute arbitrary code on
vulnerable installations of Mozilla Firefox. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page or open a malicious file.

The specific flaw exists in the parsing of Ogg Vorbis media files. By
crafting a stream with specific values , it is possible to cause a
decoding loop that copies memory to write controlled data beyond the end
of a fixed size buffer. An attacker can leverage this behavior to gain
remote code execution under the context of the current process.

- -- Vendor Response:

Mozilla has issued an update to correct this vulnerability. More details
can be found at:

http://www.mozilla.org/security/announce/2012/mfsa2012-07.html




- -- Disclosure Timeline:
2012-01-12 - Vulnerability reported to vendor

2012-04-09 - Coordinated public release of advisory



- -- Credit:
This vulnerability was discovered by:

* regenrecht



- -- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
altruistic aim of helping to secure a broader user base, TippingPoint
provides this vulnerability information confidentially to security
vendors (including competitors) who have a vulnerability protection or
mitigation product.

Our vulnerability disclosure policy is available online at:

http://www.zerodayinitiative.com/advisories/disclosure_policy/

Follow the ZDI on Twitter:

http://twitter.com/thezdi
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