| Name | CVE-2019-15796 |
| Description | Python-apt doesn't check if hashes are signed in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py or in `_fetch_archives()` of apt/cache.py in version 1.9.3ubuntu2 and earlier. This allows downloads from unsigned repositories which shouldn't be allowed and has been fixed in verisions 1.9.5, 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2074-1, DSA-4609-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| python-apt (PTS) | buster, buster (security) | 1.8.4.3 | fixed |
| bullseye | 2.2.1 | fixed | |
| bookworm | 2.6.0 | fixed | |
| sid, trixie | 2.7.0 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| python-apt | source | jessie | 0.9.3.13 | DLA-2074-1 | ||
| python-apt | source | stretch | 1.4.1 | DSA-4609-1 | ||
| python-apt | source | buster | 1.8.4.1 | DSA-4609-1 | ||
| python-apt | source | (unstable) | 1.8.5 |
https://salsa.debian.org/apt-team/python-apt/commit/b4eef110b7ba4fb21cc0dd92585756f50e0100c9 (1.8.5)
https://salsa.debian.org/apt-team/python-apt/commit/e3321eb9792bf3b4cace4cee47dc6da00fbee929 (1.8.5)