69822 : Microsoft Windows OpenType Font Driver CMAP Table Parsing Arbitrary Code Execution
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Timeline

Disclosure Date
2010-12-14

Description

A memory corruption flaw exists in Microsoft Windows. The OpenType Font (OTF) driver fails to sanitize user-supplied input when parsing the CMAP table of an OpenType font, resulting in memory corruption. With a specially crafted OpenType font, a context-dependent attacker can execute arbitrary code.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability. Check the vendor advisory or solution in the references section.

Products

Microsoft Corporation
Windows XP
SP3
Professional x64 Edition SP2
Windows Vista
SP1
SP2
x64 Edition SP1
x64 Edition SP2
Windows Server 2008
SP2
for Itanium-based Systems
SP0
for Itanium-based Systems SP2
Windows 7
SP0
Windows Server 2003
SP2
x64 Edition SP2
with SP2 for Itanium-based Systems
Windows Server 2008 R2
for Itanium-based Systems
for x64-based Systems

References

Tools & Filters

51163

Credit

CVSSv2 Score

CVSSv2 Base Score = 6.9
Source: nvd.nist.gov | Generated: 2010-12-17 | Disagree?

Access_vector_0 Access_complexity_1 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

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