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Libuser CVE-2015-3245

LOW
Improper Input Validation (CWE-20)
2015-08-11 secalert@redhat.com
2.1
CVSS 2.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

AV:L/AC:L/Au:N/C:N/I:N/A:P
Attack Vector
Local
Attack Complexity
Low
Confidentiality
None
Integrity
None
Availability
P

Lifecycle Timeline

1
CVE Published
Aug 11, 2015 - 14:59 cve.org
LOW 2.1

DescriptionCVE.org

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

AnalysisAI

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a. Rated low severity (CVSS 2.1), this vulnerability is low attack complexity. Public exploit code available and EPSS exploitation probability 11.2%.

Technical ContextAI

This vulnerability is classified under CWE-20. Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field. 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.

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CVE-2015-3245 vulnerability details – vuln.today

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