Skip to main content
← All vulnerabilities
CVE-2020-27348PYSEC-2020-109GHSA-QXM5-VX5J-PP6W

snapcraft may build snaps with incorrect LD_LIBRARY_PATH

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.4.4, 2.43.1+18.04.1, 2.43.1
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Canonical snapcraft

    From 4.4 · fixed in 4.4.4; From 2.43.1 · fixed in 2.43.1+18.04.1

  • snapcraftPyPI

    fixed in 2.43.1

  • snapcraftPyPI

    fixed in 4.4.4

References 3

GitHub · snapcore/snapcraft

usn.ubuntu.com

bugs.launchpad.net