Libuser
CVE-2015-3245
LOW
Severity by source
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
Lifecycle Timeline
1DescriptionCVE.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.
Same weakness CWE-20 – Improper Input Validation
View allSame technique Denial Of Service
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External POC / Exploit Code
Leaving vuln.today