CVE-2012-0955

software-properties incorrectly validated TLS certificates

Published Dec 2, 2020 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2012-0978 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
canonical
Published
Updated
Sep 16, 2024, 5:14 PM
Reserved
Feb 1, 2012, 12:00 AM
Status
Modified
Published
Dec 2, 2020, 1:15 AM
Modified
Jun 16, 2026, 11:38 PM