CVE-2010-3962 on CISA KEV

Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitial

01What CISA says about this vulnerability

Use-after-free vulnerability in Microsoft Internet Explorer 6, 7, and 8 allows remote attackers to execute arbitrary code via vectors related to Cascading Style Sheets (CSS) token sequences and the clip attribute, aka an "invalid flag reference" issue or "Uninitialized Memory Corruption Vulnerability," as exploited in the wild in November 2010.

02Required action — verbatim from CISA

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

03Notes & references

• www.securityfocus.com — http://www.securityfocus.com/bid/44536
• www.us-cert.gov — http://www.us-cert.gov/cas/techalerts/TA10-348A.html
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-09…
• www.kb.cert.org — http://www.kb.cert.org/vuls/id/899748
• secunia.com — http://secunia.com/advisories/42091
• www.vupen.com — http://www.vupen.com/english/advisories/2010/2880
• www.microsoft.com — http://www.microsoft.com/technet/security/advisory/2458511.mspx
• www.securitytracker.com — http://www.securitytracker.com/id?1024676
• www.exploit-db.com — http://www.exploit-db.com/exploits/15421
• www.symantec.com — http://www.symantec.com/connect/blogs/new-ie-0-day-used-targeted-attacks
• exchange.xforce.ibmcloud.com — https://exchange.xforce.ibmcloud.com/vulnerabilities/62962
• blogs.technet.com — http://blogs.technet.com/b/msrc/archive/2010/11/02/microsoft-releases-security-a…
• oval.cisecurity.org — https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3…
• www.exploit-db.com — http://www.exploit-db.com/exploits/15418

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

Vendor	Product	Versions
n	a / n/a	n/a

06Detection

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