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CVE-2012-3440

Published: Aug 8, 2012Updated: Apr 29, 2026 Sources: CVE List NVDCWE-59
NVD MITRE
5.6CVSSMEDIUM
EPSS Score
0.4%
Top 65.4%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:LAC:HAu:NC:NI:CA:C
Exploitability
AV:LAccess Vector
Local
AC:HAccess Complexity
High
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:CIntegrity
Complete
A:CAvailability
Complete
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Weaknesses

CWE-59

Affected Products

n/an/a
sudotodd miller
On-prem
Operating Systems / unix-bsd
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
todd milleross-projectUSOperating Systemsaka sudo
redhatcommercialUSOperating Systemsaka red hat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

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

Timeline

Published
Aug 8, 2012
Last Updated
Apr 29, 2026

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