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CVE-2020-16122

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Date: November 6, 2020

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.

Language: C++

Severity Score

Related Resources (5)

https://security-tracker.debian.org/tracker/CVE-2020-16122
https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098
https://nvd.nist.gov/vuln/detail/CVE-2020-16122
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-16122
https://www.mend.io/vulnerability-database/CVE-2020-16122

Severity Score

Weakness Type (CWE)

Insufficient Verification of Data Authenticity

CWE-345

Insufficient Information

NVD-CWE-noinfo

Improper Privilege Management

CWE-269

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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