Vulnerability · Published Nov 7, 2020 · Assigned by canonical
CVE-2020-16122Packagekit's apt backend lets user install untrusted local packages
High 8.2
In plain English
A high-severity privilege mismanagement in packagekit from PackageKit. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.3%top 72.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository trust and not on the contents of individual files. On sites with configured PolicyKit rules this may allow users to install malicious packages.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | packagekit | 1.2.1-1 | DEBIAN-CVE-2020-16122 |
| Debian:13 | packagekit | 1.2.1-1 | DEBIAN-CVE-2020-16122 |
| Debian:14 | packagekit | 1.2.1-1 | DEBIAN-CVE-2020-16122 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| PackageKit | packagekit | 1.1.13-2ubuntu – before 1.1.13-2ubuntu1.11.1.9-1ubuntu – before 1.1.9-1ubuntu2.18.04.60.8.17-4ubuntu – before 0.8.17-4ubuntu6~gcc5.4ubuntu1.5 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
References
- https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098 x_refsource_MISC