CVE-2012-0955 MEDIUM

CVE-2012-0955: software-properties incorrectly validated TLS certificates

Vendor Canonical
Product software-properties
Weakness CWE-295
Published December 2, 2020
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

6.8/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N

What the vulnerability does

01Description

software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.

Key dates

02Disclosure timeline

December 2, 2020 CVE published
September 16, 2024 Record updated