CVE-2020-27348

MEDIUM

snapcraft <4.4.4, <2.43.1+16.04.1, <2.43.1+18.04.1 - RCE

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Third Party Advisory x_refsource_misc
https://github.com/snapcore/snapcraft/pull/3345
Patch, Third Party Advisory x_refsource_misc
https://usn.ubuntu.com/usn/usn-4661-1
Exploit, Issue Tracking, Third Party Advisory x_refsource_misc
https://bugs.launchpad.net/bugs/1901572

Scores

CVSS v3 6.8
EPSS 0.0006
EPSS Percentile 20.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L

Details

CWE
CWE-427
Status published
Products (4)
canonical/snapcraft < 4.4.4
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
pypi/snapcraft 0 - 4.4.4PyPI
Published Dec 04, 2020
Tracked Since Feb 18, 2026