What is the CVSS score of CVE-2018-20348?

CVE-2018-20348 has a CVSS 3.0 base score of 5.5 (Medium). CVSS vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.4%.

Is there a public PoC exploit available for CVE-2018-20348?

Yes, a public proof-of-concept exploit is available for CVE-2018-20348. Prioritise patching immediately. EPSS: 0.4%.

Libpff CVE-2018-20348

MEDIUM

Loop with Unreachable Exit Condition (Infinite Loop) (CWE-835)

2018-12-22 cve@mitre.org

Denial Of Service Libpff

5.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 22, 2018 - 00:29 nvd

MEDIUM 5.5

DescriptionNVD

AnalysisAI

libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-835. libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to libfdata_tree_get_node_value in libfdata_tree.c. Affected products include: Libpff Project Libpff.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.