Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Canonical | Software-Properties | < 0.92 |
Related Weaknesses (CWE)
References
- https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/11975PatchVendor Advisory
- https://launchpad.net/bugs/1036839ExploitVendor Advisory
- https://code.launchpad.net/~cyphermox/software-properties/lp1036839/+merge/11975PatchVendor Advisory
- https://launchpad.net/bugs/1036839ExploitVendor Advisory
FAQ
What is CVE-2012-0955?
CVE-2012-0955 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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 py...
How severe is CVE-2012-0955?
CVE-2012-0955 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2012-0955?
Check the references section above for vendor advisories and patch information. Affected products include: Canonical Software-Properties.