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Vulnerability Details : CVE-2012-3440

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.
Publish Date : 2012-08-08 Last Update Date : 2012-08-08
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- CVSS Scores & Vulnerability Types

CVSS Score
5.6
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 59

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
5.6
AV:L/AC:H/Au:N/C:N/I:C/A:C 2012-07-19 2012-08-07
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- Related OVAL Definitions

Title Definition Id Class Family
ELSA-2012-1149 -- sudo security and bug fix update (moderate) oval:org.mitre.oval:def:27534 unix
ELSA-2012:1149: sudo security and bug fix update (Moderate) oval:org.mitre.oval:def:23250 unix
RHSA-2012:1149: sudo security and bug fix update (Moderate) oval:org.mitre.oval:def:21267 unix
RHSA-2012:1149: sudo security and bug fix update (Moderate) oval:com.redhat.rhsa:def:20121149 unix
VMware ESX third party update for Service Console package sudo oval:org.mitre.oval:def:20533 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-3440

# Product Type Vendor Product Version Update Edition Language
1 OS Redhat Enterprise Linux 5 Version Details Vulnerabilities
2 Application Todd Miller Sudo 1.7.2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Redhat Enterprise Linux 1
Todd Miller Sudo 1

- References For CVE-2012-3440

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

- Metasploit Modules Related To CVE-2012-3440

There are not any metasploit modules related to this vulnerability (Please visit www.metasploit.com for more information)


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