Vulnerability Description
The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka "HTML Sanitization Vulnerability."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Lync | 2010 |
| Microsoft | Office Communicator | 2007 |
| Microsoft | Internet Explorer | 8 |
| Microsoft | Windows 2003 Server | All versions |
| Microsoft | Windows 7 | All versions |
| Microsoft | Windows Server 2003 | All versions |
| Microsoft | Windows Server 2008 | All versions |
| Microsoft | Windows Vista | All versions |
| Microsoft | Windows Xp | All versions |
Related Weaknesses (CWE)
References
- http://www.us-cert.gov/cas/techalerts/TA12-164A.htmlUS Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-03
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-03
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-05
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
- http://www.us-cert.gov/cas/techalerts/TA12-164A.htmlUS Government Resource
- http://www.us-cert.gov/cas/techalerts/TA12-192A.htmlUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-03
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-03
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-05
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3
FAQ
What is CVE-2012-1858?
CVE-2012-1858 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, wh...
How severe is CVE-2012-1858?
CVE-2012-1858 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-1858?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Lync, Microsoft Office Communicator, Microsoft Internet Explorer, Microsoft Windows 2003 Server, Microsoft Windows 7.