What is the CVSS score of CVE-2020-27348?

CVE-2020-27348 has a CVSS 3.1 base score of 6.8 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L. EPSS exploitation probability: 0.7%.

Is there a public PoC exploit available for CVE-2020-27348?

Yes, a public proof-of-concept exploit is available for CVE-2020-27348. Prioritise patching immediately. EPSS: 0.7%.

Is there a patch available for CVE-2020-27348?

Yes, a patch is available for CVE-2020-27348. Update the affected software to the latest version immediately.

Snapcraft CVE-2020-27348

MEDIUM

Uncontrolled Search Path Element (CWE-427)

2020-12-04 security@ubuntu.com

RCE Snapcraft Ubuntu Linux

6.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.8 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Lifecycle Timeline

CVE Published

Dec 04, 2020 - 03:15 nvd

MEDIUM 6.8

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-427. 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.4.4, prior to 2.43.1+16.04.1, and prior to 2.43.1+18.04.1. Affected products include: Canonical Snapcraft, Canonical Ubuntu Linux. Version information: prior to 4.4.4.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.