What’s Vulnerable › Vulnerabilities

CVE-2012-3440

• Severity: medium (CVSS 5.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2012-08-08 · updated 2026-06-16
• Weakness: CWE-59

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 products

• Red Hat Enterprise Linux: 5
• Todd Miller Sudo: 1.7.2

References

• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• http://www.securityfocus.com/bid/54868
• https://bugzilla.redhat.com/show_bug.cgi?id=844442
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• http://www.securityfocus.com/bid/54868
• https://bugzilla.redhat.com/show_bug.cgi?id=844442

Get alerted when CVE-2012-3440 or the next vulnerability affects your stack