CVE-2012-0955CWE-295

software-properties incorrectly validated TLS certificates

Medium · published December 2, 2020

CVSS v3.1
6.8
EPSS
1%
Percentile
48.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00615 · 48.5th percentile
Weakness
CWE-295 · Improper Certificate Validation
Published
2020-12-02T00:50Z
EPSS history
Timeline
  • 02 DEC 00:50Z
    software-properties incorrectly validated TLS certificates
    cvelistv5