High severity · published Nov 7, 2020
CVE-2020-16122
PackageKit's apt backend mistakenly treated all local debs as trusted
7.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 27% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PA
Packagekit · Packagekit Project
All versions, or not specified · source: NVD
UL
Ubuntu Linux · Canonical
16.04; 18.04; 20.04 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-16122
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-16122
Issue Tracking
https://bugs.launchpad.net/ubuntu/+source/packagekit/+bug/1882098
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