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SystemTap Denial of Service and Privilege Escalation Vulnerabilities

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Release Date:  2010-11-18    Last Update:  2011-05-23    Views:  2,836

Secunia Advisory SA42256

Where:

Local system

Impact:

Privilege escalation, DoS

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Two vulnerabilities have been reported in SystemTap, which can be exploited by malicious, local users to gain escalated privileges and cause a DoS (Denial of Service).

1) An improper environment sanitation in the "/usr/bin/staprun" setuid program when loading kernel modules can be exploited to escalate privileges.

2) An error in the "/usr/bin/staprun" setuid program when unloading kernel modules can be exploited to unload arbitrary unused modules and potentially cause a DoS.

The vulnerabilities are reported in version 1.3. Other versions may also be affected.


Solution:
Update to version 1.4.

Provided and/or discovered by:
The vendor credits Tavis Ormandy.

Original Advisory:
http://sources.redhat.com/ml/systemtap/2010-q4/msg00230.html

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: SystemTap Denial of Service and Privilege Escalation Vulnerabilities

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