CVE-2020-27348

MEDIUM

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

Title source: llm

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)

[Exploit, Issue Tracking, Third Party Advisory] https://bugs.launchpad.net/bugs/1901572

[Third Party Advisory] https://github.com/snapcore/snapcraft/pull/3345

[Patch, Third Party Advisory] https://usn.ubuntu.com/usn/usn-4661-1

Scores

CVSS v3 6.8

EPSS 0.0006

EPSS Percentile 20.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L

Classification

CWE

CWE-427

Status published

Affected Products (4)

canonical/snapcraft < 4.4.4

canonical/ubuntu_linux

pypi/snapcraft < 4.4.4PyPI

Timeline

Published Dec 04, 2020

Tracked Since Feb 18, 2026