CVE-2012-3440

Published: Aug 8, 2012Modified: Apr 29, 2026

5.6

Vector

AV:L/AC:H/Au:N/C:N/I:C/A:C

Exploitability: 1.9 / Impact: 9.2

Source: NVD

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.

Affected (2)

Products: Redhat: Enterprise Linux · Todd Miller: Sudo

1 product

1 product

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux	Version 5
Todd Miller Sudo	Version 1.7.2

Related CWEs

CWE-59

Improper Link Resolution Before File Access ('Link Following')

The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

References (6)

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Source: secalert@redhat.com

http://www.securityfocus.com/bid/54868

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=844442

Source: secalert@redhat.com

Exploit

http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/54868

Source: af854a3a-2127-422b-91ae-364da2661108

https://bugzilla.redhat.com/show_bug.cgi?id=844442

Source: af854a3a-2127-422b-91ae-364da2661108

Exploit

Timeline

No history available yet.