CVE Vulnerability

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.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

6.8 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.3 / Impact : 5.5

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://usn.ubuntu.com/usn/usn-4661-1 Patch Third Party Advisory
https://github.com/snapcore/snapcraft/pull/3345 Third Party Advisory
https://bugs.launchpad.net/bugs/1901572 Exploit Issue Tracking
Configurations

Configuration 1

cpe:2.3:a:canonical:snapcraft:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:*:*:*:*
Information

Published : 2020-12-04 03:15

Updated : 2020-12-14 08:36

NVD link : CVE-2020-27348

Mitre link : CVE-2020-27348

Products Affected
No products.
CWE
CWE-427