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

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CVE-2012-3440

Severity CVSS v4.0:
Pending analysis
Type:
CWE-59 Link Following
Publication date:
08/08/2012
Last modified:
11/04/2025

Description

A certain Red Hat script for sudo 1.7.2 on Red Hat Enterprise Linux (RHEL) 5 allows local users to overwrite arbitrary files via a symlink attack on the /var/tmp/nsswitch.conf.bak temporary file.

Impact

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

Base Score: 5.60 MEDIUM
Vector: AV:L/AC:H/Au:N/C:N/I:C/A:C

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

Base Score 2.0
5.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:todd_miller:sudo:1.7.2:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools