CVE-2013-7331 on CISA KEV

The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and explo

01What CISA says about this vulnerability

The Microsoft.XMLDOM ActiveX control in Microsoft Windows 8.1 and earlier allows remote attackers to determine the existence of local pathnames, UNC share pathnames, intranet hostnames, and intranet IP addresses by examining error codes, as demonstrated by a res:// URL, and exploited in the wild in February 2014.

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

• soroush.secproject.com — https://soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-i…
• www.securitytracker.com — http://www.securitytracker.com/id/1030818
• docs.microsoft.com — https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-05…
• www.kb.cert.org — http://www.kb.cert.org/vuls/id/539289
• www.fireeye.com — http://www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-ac…

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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