Home/CVE/PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository tru
CVE

CVE-2020-16122

PackageKit's apt backend mistakenly treated all local debs as trusted. The apt security model is based on repository tru

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.

HIGH · CVSS 8.2 EPSS 0.0008
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
CWE-345Insufficient Verification of Data Authenticity
▤

Affected Products & Versions

2
packagekit project packagekitall versions
canonical ubuntu linuxall versions
▣

Scoring & Timeline

8.2
HIGH · CVSS v3.1 · security@ubuntu.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD07 Nov 2020 · 04:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
⚑

Vendor Advisories

1
usnUSN-4538-1
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098Issue TrackingThird Party Advisory
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