Docker Desktop Community Edition Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-03
• EPSS: 49% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

Docker Desktop Community Edition before 2.1.0.1 allows local users to gain privileges by placing a Trojan horse docker-credential-wincred.exe file in %PROGRAMDATA%\DockerDesktop\version-bin\ as a low-privilege user, and then waiting for an admin or service user to authenticate with Docker, restart Docker, or run 'docker login' to force the command.

CISA: Docker Desktop Community Edition contains a vulnerability that may allow local users to escalate privileges by placing a trojan horse docker-credential-wincred.exe file in %PROGRAMDATA%\DockerDesktop\version-bin\.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 3 May 2022): Apply updates per vendor instructions.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• packetstormsecurity.com/files/157404/Docker-Credential-Wincred.exe-Privilege-Escalation…ExploitThird Party AdvisoryVDB Entry
• lists.apache.org/thread.html/rf1bbc0ea4a9f014cf94df9a12a6477d24a27f52741dbc87f2fd52ff2%…Mailing List
• medium.com/%40morgan.henry.roman/elevation-of-privilege-in-docker-for-windows-2fd8450b478eExploitThird Party Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource