Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-3246

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
11/08/2015
Last modified:
12/04/2025

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.

Impact

Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:redhat:libuser:*:*:*:*:*:*:*:* 0.56.13-5 (including)
cpe:2.3:a:redhat:libuser:0.60-1:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libuser:0.60-2:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libuser:0.60-3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libuser:0.60-4:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libuser:0.60-5:*:*:*:*:*:*:*
cpe:2.3:a:redhat:libuser:0.60-6:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools