CVE-2011-3634
methods/https.cc in apt before 0.8.11 accepts connections when the certificate host name fails validation and Verify-Host is enabled, which allows man-in-the-middle attackers to obtain repository credentials via unspecified vectors.
- EPSS
- 0.8% chance of exploitation in the next 30 days; higher than 57% of CVEs (scores of 2026-10-31)
- CWE
- CWE-200
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:advanced_package_tool
References
- http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.html
- http://www.ubuntu.com/usn/USN-1283-1
- https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEAD
- https://bugs.launchpad.net/ubuntu/+source/apt/+bug/868353
- http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.html