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Puppet Group Privileges Security Issue and K5login Privilege Escalation Vulnerability

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Release Date:  2012-02-24    Views:  1,921

Secunia Advisory SA48166

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A security issue and a vulnerability have been reported in Puppet, which can be exploited by malicious, local users to gain escalated privileges.

1) A security issue due to the application not properly dropping group permissions when a process is forked may result in exec resources to inherit parent's GID (e.g. root).

2) An error in k5login type when managing a user's login file can be exploited to gain another user's permissions by symlinking the ".k5login" file to the target user's file.

The security issue and the vulnerability are reported in the following versions:
* Puppet versions prior to 2.6.14 and prior to 2.7.11.
* Puppet Enterprise versions prior to 2.0.3.
* Puppet Enterprise versions 1.0, 1.1, and 1.2.x.


Solution:
Update to a fixed version or apply hotfixes.

Further details available to Secunia VIM customers

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://puppetlabs.com/security/cve/CVE-2012-1053/
http://puppetlabs.com/security/cve/CVE-2012-1054/

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Puppet Group Privileges Security Issue and K5login Privilege Escalation Vulnerability

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