VULNERABILITY INTELLIGENCE

CVE-2015-3246

CVSS score5.1 MEDIUM
EPSS probability8.50%
CISA KEVKnown exploited vulnerability
Published2015-08-11
Last modified2026-10-02
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Known Exploited Vulnerability

Red Hat Libuser Race Condition Vulnerability

Vendor / product: Red Hat / Libuser

Description

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.

Weakness classification

  • CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

Primary references