PT-2011-3542 · Microsoft · Windows Vista+5

Will Dorman · Published 2011-10-11 · Updated 2023-12-07 · CVE-2011-2003

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Windows XP versions SP2 through SP3 Microsoft Windows Server 2003 version SP2 Microsoft Windows Vista version SP2 Microsoft Windows Server 2008 versions SP2 through R2 SP1 Microsoft Windows 7 versions Gold through SP1

Description A buffer overflow issue exists due to improper handling of specially crafted .fon font files, allowing remote attackers to execute arbitrary code. This could enable an attacker to run code in kernel-mode, install programs, view, change, or delete data, or create new accounts with full administrative rights.

Recommendations For Microsoft Windows XP versions SP2 through SP3, apply the patch provided by Microsoft to fix the buffer overflow issue in win32k.sys. For Microsoft Windows Server 2003 version SP2, apply the patch provided by Microsoft to fix the buffer overflow issue in win32k.sys. For Microsoft Windows Vista version SP2, apply the patch provided by Microsoft to fix the buffer overflow issue in win32k.sys. For Microsoft Windows Server 2008 versions SP2 through R2 SP1, apply the patch provided by Microsoft to fix the buffer overflow issue in win32k.sys. For Microsoft Windows 7 versions Gold through SP1, apply the patch provided by Microsoft to fix the buffer overflow issue in win32k.sys. As a temporary workaround, consider restricting access to .fon files until a patch is available.

Exploit

Fix

RCE

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-2003

Affected Products

Windows

Windows 7

Windows Server 2003

Windows Server 2008

Windows Vista

Windows Xp

References · 8

• 🔥 https://exploit-db.com/exploits/17978 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-2003 · Security Note
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2011-2003 · Security Note
• http://securityreason.com/securityalert/8473 · Note
• http://technet.microsoft.com/en-us/security/bulletin/MS11-077 · Note
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13103 · Note
• http://securitytracker.com/id?1026165 · Note