CVE-2020-27348

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.

Score

CVSS 3.1 6.8 Medium

Status

Modified - security@ubuntu.com

Published

2020-12-04

Last modified

2024-09-16

Weaknesses

CWE-427

Affected products

• Snapcraft (Canonical)
• Ubuntu Linux (Canonical)

References

• https://bugs.launchpad.net/bugs/1901572
• https://github.com/snapcore/snapcraft/pull/3345
• https://usn.ubuntu.com/usn/usn-4661-1