CVE-2012-3440 - Improper Link Resolution Before File Access ('Link Following')

Severity

55%

Complexity

19%

Confidentiality

153%

Additional information: https://rhn.redhat.com/errata/RHSA-2012-1149.html

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.

Additional information: https://rhn.redhat.com/errata/RHSA-2012-1149.html

CVSS 2.0 Base Score 5.6. CVSS Attack Vector: local. CVSS Attack Complexity: high. CVSS Vector: (AV:L/AC:H/Au:N/C:N/I:C/A:C).

Overview

First reported 12 years ago

2012-08-08 10:26:00

Last updated 8 years ago

2016-11-28 19:08:00

Affected Software

Todd Miller Sudo 1.7.2

1.7.2

Red Hat Enterprise Linux 5

5

References

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

54868

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

Exploit

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