CVE-2015-3246NVD

Vulnerability Summary

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.

Severity Level

HIGH(7.4)

Published Date

Aug 11, 2015

Last Modified

Oct 2, 2026

PoC

Available(Metasploit)

Exploitation Status

ACTIVE

EPSS Score (30-Day)

8.50%Probability

Root Weakness (CWE)

CWE-264: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CWE-367: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 7.4 (HIGH)

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Affected & Patched Versions

Affected Versions

Redhat Enterprise Linux
Opensuse Opensuse
Libuser Project Libuser < 0.56.13-8
Libuser Project Libuser >= 0.60 and < 0.60-7

Patched Versions

Libuser Project Libuser 0.56.13-8
Libuser Project Libuser 0.60-7

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