CVE-2011-3634

high

Description

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.

References

https://bugs.launchpad.net/ubuntu/+source/apt/+bug/868353

https://alioth.debian.org/plugins/scmgit/cgi-bin/gitweb.cgi?p=apt/apt.git%3Ba=blob%3Bf=debian/changelog%3Bhb=HEAD

http://www.ubuntu.com/usn/USN-1283-1

http://people.canonical.com/~ubuntu-security/cve/2011/CVE-2011-3634.html

Details

Source: Mitre, NVD

Published: 2014-03-01

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 7.4

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: High

EPSS

EPSS: 0.00163