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grsecurity "expand_stack()" Privilege Escalation Vulnerability
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Secunia Advisory:
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SA23713
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Release Date:
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2007-01-12
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Last Update:
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2007-01-23
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Popularity:
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6,649 views
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Critical:
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Less critical
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Impact:
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Privilege escalation
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Where:
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Local system
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Solution Status:
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Vendor Patch
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| Software: | grsecurity 2.x
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| CVE reference: | CVE-2007-0257
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Description:
A vulnerability has been reported in grsecurity, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to an unspecified error related to the "expand_stack()" function, which may allow execution of arbitrary code with root privileges.
The vulnerability only affects systems with the "SEGMEXEC" feature enabled.
Solution:
Update to version 2.1.10 (2007-01-22).
Provided and/or discovered by:
Discovered by an anonymous person and reported via Digital Armaments.
Changelog:
2007-01-17: Added CVE reference.
2007-01-23: Updated "Description" and "Solution" sections.
Original Advisory:
http://www.digitalarmaments.com/pre2007-00018659.html
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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