CVE-2011-4407 ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for...
MediumCVSS 4.3
EPSS 0.63%
- Published
- Updated
- Exploit status
- No public exploit known
Description
ppa.py in Software Properties before 0.81.13.3 does not validate the server certificate when downloading PPA GPG key fingerprints, which allows man-in-the-middle (MITM) attackers to spoof GPG keys for a package repository.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/software-properties(Debian:12) | < 0.76.7debian2+nmu2 | 0.76.7debian2+nmu2 |
| Canonical software-properties | <= 0.81.13.1 | No fix listed |
| Canonical Ubuntu Linux | = 10.04 | No fix listed |
| Canonical Ubuntu Linux | = 10.10 | No fix listed |
| Canonical Ubuntu Linux | = 11.04 | No fix listed |
| Canonical Ubuntu Linux | = 11.10 | No fix listed |
References
- Debian Security Tracker CVE-2011-4407 vendor-advisory
- USN-1352-1 vendor-advisory
- bugs.launchpad.net