Description
APT before 0.8.15.2 does not properly validate inline GPG signatures, which allows man-in-the-middle attackers to install modified packages via vectors involving lack of an initial clearsigned message.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | apt | 0.8.15.2 | — |
| Debian 13 | apt | 0.8.15.2 | — |
| Debian 12 | apt | 0.8.15.2 | — |
References
- http://packages.debian.org/changelogs/pool/main/a/apt/current/changelog
- USN-1169-1 vendor-advisory
- https://launchpad.net/ubuntu/+archive/primary/+sourcepub/1817196/+listing-archive-extra
- 48671 vdb-entry
- https://launchpad.net/bugs/784473
- http://launchpadlibrarian.net/75126628/apt_0.8.13.2ubuntu2_0.8.13.2ubuntu4.1.diff.gz
- apt-gpg-security-bypass(68560) vdb-entry