medium4.3
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-midd…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Canonical | Software-Properties | through 0.81.13.1 |
| Canonical | Ubuntu Linux | Versions 10.04, 10.10, 11.04, 11.10 |