85645 : Apple Mac OS X CoreText Component Text Glyph Handling Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
8	278	8 months ago	6 months ago	1 times	100%

Timeline

Disclosure Date
2012-09-19

Description

Apple Mac OS X is prone to an overflow condition. This issue is triggered when an out-of-bounds read or write error occurs in the CoreText component when handling specially crafted text glyphs, resulting in a buffer overflow. This may allow a remote attacker to cause a denial of service or potentially execute arbitrary code.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS, Upgrade
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 10.8.2 or 10.7.5 or higher, as they have been reported to fix this vulnerability. In addition, Apple has released a patch for some older versions.

Products

Apple Inc.	Mac OS X	10.7.3
		10.7.1
		10.7.2
		10.7.0
		10.7.4

References

Security Tracker: 1027551
CVE ID: 2012-3716 (see also: NVD)
Secunia Advisory ID: 50628
Related OSVDB ID: 85644 85646 85647 85648 85649 85650 85651
Vendor Specific Advisory URL: http://support.apple.com/kb/HT5501

Credit

Jesse Ruderman - Mozilla Corporation

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2012-09-21 | Disagree?

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