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[SA20953] Linux Kernel "prctl" Privilege Escalation Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Jul 07 2006 - 07:17:05 CDT


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TITLE:
Linux Kernel "prctl" Privilege Escalation Vulnerability

SECUNIA ADVISORY ID:
SA20953

VERIFY ADVISORY:
http://secunia.com/advisories/20953/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

DESCRIPTION:
A vulnerability has been reported in the Linux Kernel, which can be
exploited by malicious, local users to bypass certain security
restrictions or potentially gain escalated privileges.

The vulnerability is caused due to improper handling of core dumps.
This can be exploited to dump core files into usually restricted
directories or potentially gain root privileges.

SOLUTION:
Update to version 2.6.17.4.
http://www.kernel.org/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Red Hat.

ORIGINAL ADVISORY:
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.17.4

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About:
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