Microsoft Word malformed CSS code execution
| word-malformed-css-code-execution (42100) |  High Risk |
Description:
Microsoft Word could allow a remote attacker to execute arbitrary code on the system, caused by improper memory calculation when processing a malformed CSS value in a specially-crafted Word file. By persuading a victim to open a specially-crafted Word file, a remote attacker could exploit this vulnerability to corrupt memory and execute arbitrary code on the system with the privileges of the victim.
Platforms Affected:
- Microsoft, Office 2004 Mac OS
- Microsoft, Office 2008 Mac OS
- Microsoft, Office Compatibility Pack 2007 SP1
- Microsoft, Office Compatibility Pack 2007
- Microsoft, Outlook 2007
- Microsoft, Outlook 2007 SP1
- Microsoft, Word 2000 SP3
- Microsoft, Word 2002 SP3
- Microsoft, Word 2003 SP3
- Microsoft, Word 2003 SP2
- Microsoft, Word 2007 SP1
- Microsoft, Word 2007
- Microsoft, Word Viewer 2003
- Microsoft, Word Viewer 2003 SP3
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.
Consequences:
Gain Access
References:
- HPSBST02336 SSRT080071 rev.1, Storage Management Appliance (SMA), Microsoft Patch Applicability MS08-026 to MS08-029 at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01460710.
- iDefense Labs PUBLIC ADVISORY: 05.13.08, Microsoft Word CSS Processing Memory Corruption Vulnerability at http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=700.
- Microsoft Security Bulletin MS08-026, Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (951207) at http://www.microsoft.com/technet/security/bulletin/ms08-026.mspx.
- Microsoft Security Bulletin MS08-042, Vulnerability in Microsoft Word Could Allow Remote Code Execution (955048) at http://www.microsoft.com/technet/security/bulletin/ms08-042.mspx.
- Microsoft Security Bulletin MS08-051, Vulnerabilities in Microsoft PowerPoint Could Allow Remote Code Execution (949785) at http://www.microsoft.com/technet/security/Bulletin/MS08-051.mspx.
- ASA-2008-209: MS08-026 Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (951207)
- BID-29105: Microsoft Word CSS Handling Memory Corruption Remote Code Execution Vulnerability
- CVE-2008-1434: Use-after-free vulnerability in Microsoft Word in Office 2000 and XP SP3, 2003 SP2 and SP3, and 2007 Office System SP1 and earlier allows remote attackers to execute arbitrary code via an HTML document with a large number of Cascading Style Sheets (CSS) selectors, related to a memory handling error that triggers memory corruption.
- FrSIRT/ADV-2008-1504: Microsoft Office Multiple Code Execution Vulnerabilities (MS08-026)
- SA30143: Microsoft Word Two Code Execution Vulnerabilities
- SECTRACK ID: 1020014: Microsoft Word Memory Error in Processing CSS Values Lets Remote Users Execute Arbitrary Code
Reported:
May 13, 2008
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