79496 : Puppet k5login File Symlink File Overwrite Local Privilege Escalation
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
5	640	about 1 year ago	6 months ago	7 times	100%

Timeline

Disclosure Date
2012-02-25

Time to Patch
18 days

Description

Puppet contains a flaw that may allow a malicious local user to overwrite arbitrary files on the system. The issue is due to the application creating temporary files insecurely. It is possible for a local attacker to use a symlink attack against the '.k5login' file to cause the program to unexpectedly write to, or overwrite an attacker specified file.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade Puppet to version 2.6.14, 2.7.11, or higher, Puppet Enterprise to version 2.0.3 or higher, as they have been reported to fix this vulnerability. In addition, the vendor has released a patch for some older versions of Puppet Enterprise.

Products

Puppet Labs	Puppet	2.6.13
		2.7.10
	Puppet Enterprise	1.1
		1.2.x
		1.0
		2.0.2

References

CVE ID: 2012-1054 (see also: NVD)
Secunia Advisory ID: 48157 48161 48166 48254 48290 49815
Bugtraq ID: 52158
ISS X-Force ID: 73446
Related OSVDB ID: 79495
Vendor Specific News/Changelog Entry: http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00003.html
http://lists.opensuse.org/opensuse-updates/2012-07/msg00015.html
http://projects.puppetlabs.com/projects/1/wiki/Release_Notes#2.6.14
http://security.gentoo.org/glsa/glsa-201203-03.xml
http://www.debian.org/security/2012/dsa-2419
http://www.ubuntu.com/usn/usn-1372-1
Other Advisory URL: http://projects.puppetlabs.com/issues/12460
https://hermes.opensuse.org/messages/15087408
Vendor URL: http://puppetlabs.com/
Vendor Specific Advisory URL: http://puppetlabs.com/security/cve/CVE-2012-1054/

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 4.4
Source: nvd.nist.gov | Generated: 2012-05-30 | Disagree?

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