What is the CVSS score of CVE-2015-3246?

CVE-2015-3246 has a CVSS 2.0 base score of 7.2 (High). CVSS vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 21.4%.

Is there a public PoC exploit available for CVE-2015-3246?

Yes, a public proof-of-concept exploit is available for CVE-2015-3246. Prioritise patching immediately. EPSS: 21.4%.

Libuser CVE-2015-3246

HIGH

Permissions, Privileges, and Access Controls (CWE-264)

2015-08-11 secalert@redhat.com

Denial Of Service Privilege Escalation Libuser

7.2

CVSS 2.0 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

AV:L/AC:L/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector

Local

Attack Complexity

Low

Confidentiality

Integrity

Availability

Lifecycle Timeline

CVE Published

Aug 11, 2015 - 14:59 cve.org

HIGH 7.2

DescriptionCVE.org

libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges.

AnalysisAI

libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available and EPSS exploitation probability 21.4%.

Technical ContextAI

This vulnerability is classified under CWE-264. libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, directly modifies /etc/passwd, which allows local users to cause a denial of service (inconsistent file state) by causing an error during the modification. NOTE: this issue can be combined with CVE-2015-3245 to gain privileges. Affected products include: Redhat Libuser. Version information: before 0.56.13.

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.