CVEvulnerability

CVE-2012-0955

7.4 HIGH Published 2020-12-02 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2020-12-02
Last modified
2026-06-16
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.8 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS 3.1 ([email protected])
7.4 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS 2.0 ([email protected])
5.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:N
Weaknesses
CWE-295

Description

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.

Affected configurations

• canonical software-properties (< 0.92)

Related

Weakness · CWE (1)

  • CWE-295 Improper Certificate Validation weakness

References