Microsoft Internet Explorer Information Disclosure Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
• EPSS: 50% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

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.

CISA: An information disclosure vulnerability exists in Internet Explorer which allows resources loaded into memory to be queried. This vulnerability could allow an attacker to detect anti-malware applications.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Jun 2022): Apply updates per vendor instructions.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• www.fireeye.com/blog/uncategorized/2014/02/operation-snowman-deputydog-actor-compromise…Third Party Advisory
• www.kb.cert.org/vuls/id/539289Third Party AdvisoryUS Government Resource
• www.securitytracker.com/id/1030818Third Party AdvisoryVDB Entry
• docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-052PatchVendor Advisory
• soroush.secproject.com/blog/2013/04/microsoft-xmldom-in-ie-can-divulge-information-of-l…Exploit
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource