Microsoft Windows TS WebProxy Directory Traversal Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-25
• EPSS: 76% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted pathname in an executable file, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Directory Traversal Elevation of Privilege Vulnerability."

CISA: Directory traversal vulnerability in the TS WebProxy (TSWbPrxy) component in Microsoft Windows allows remote attackers to escalate privileges.

[ 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

• blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet…Exploit
• packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Pro…ExploitThird Party AdvisoryVDB Entry
• secunia.com/advisories/62076Broken Link
• www.exploit-db.com/exploits/35983ExploitThird Party AdvisoryVDB Entry
• www.securityfocus.com/bid/71965Broken LinkThird Party AdvisoryVDB Entry
• www.securitytracker.com/id/1031524Broken LinkThird Party AdvisoryVDB Entry
• docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-004PatchVendor Advisory
• exchange.xforce.ibmcloud.com/vulnerabilities/99515Third Party AdvisoryVDB Entry
• exchange.xforce.ibmcloud.com/vulnerabilities/99516Third Party AdvisoryVDB Entry
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource