CVE-2012-3440

Public Exploit

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.

Category

5.6
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 0.03%
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2012-3440?
CVE-2012-3440 has been scored as a medium severity vulnerability.
How to fix CVE-2012-3440?
To fix CVE-2012-3440, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-3440 being actively exploited in the wild?
It is possible that CVE-2012-3440 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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