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CVE-2020-27348

nvd nist
Published: Dec 4, 2020Modified: Jun 17, 2026

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6.8
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
Exploitability: 1.3 / Impact: 5.5
Source: NVD

Description

In some conditions, a snap package built by snapcraft includes the current directory in LD_LIBRARY_PATH, allowing a malicious snap to gain code execution within the context of another snap if both plug the home interface or similar. This issue affects snapcraft versions prior to 4.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1.

Affected (3)

Canonical
2 products
Snapcraft
Ubuntu Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Snapcraft
Before 4.4.4
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 16.04
Ubuntu Linux
Version 18.04

Related CWEs

CWE-427
Uncontrolled Search Path Element
The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.

References (6)

Source: security@ubuntu.com
ExploitIssue TrackingThird Party Advisory
Source: security@ubuntu.com
Third Party Advisory
Source: security@ubuntu.com
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory

Timeline

No history available yet.