CVE-2020-27348 Information

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

LOW

Base Severity

6.8