apt 0.8.16, 0.9.7, and possibly other versions does not properly handle InRelease files, which allows man-in-the-middle attackers to modify packages before installation via unknown vectors, possibly related to integrity checking and the use of third-party repositories.
| Software | From | Fixed in |
|---|---|---|
| debian / apt | 0.9.7 | 0.9.7.x |
| debian / advanced_package_tool | 0.8.16 | 0.8.16.x |
| canonical / ubuntu_linux | 11.10 | 11.10.x |
| canonical / ubuntu_linux | 12.10 | 12.10.x |
| canonical / ubuntu_linux | 12.04 | 12.04.x |