Vulnerability CVE-2012-3440
Published: 2012-08-08

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.

CVSS2 => (AV:L/AC:H/Au:N/C:N/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.6/10
9.2/10
1.9/10
Exploit range
Attack complexity
Authentication
Local
High
No required
Confidentiality impact
Integrity impact
Availability impact
None
Complete
Complete
Affected software
Todd miller -> SUDO 
Redhat -> Enterprise linux 

 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
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