Vulnerability in Canonical Software-Properties
CVE-2012-0955
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.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Canonical Software-Properties — versions 0.92
Weakness classification (CWE)
References
- launchpad.net/bugs/1036839 (Exploit, vendor-advisory, Vendor Advisory)
- code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/119753 (vendor-advisory, Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2012-0955?
- CVE-2012-0955 is a medium-severity vulnerability in Canonical Software-Properties, classified under Improper Certificate Validation. CVSS score: 6.8/10. Published 2020-12-02.
- How severe is CVE-2012-0955?
- Medium severity. CVSS v3 base score is 6.8 out of 10.