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Last updated: 12/19/2014 1:13:30 PM

CVE Publication rate: 21.13

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Vulnerability Workload Index: 8.68
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National Cyber Awareness System

Vulnerability Summary for CVE-2007-0257

Original release date: 01/16/2007
Last revised: 03/07/2011


** DISPUTED ** Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors. NOTE: the grsecurity developer has disputed this issue, stating that "the function they claim the vulnerability to be in is a trivial function, which can, and has been, easily checked for any supposed vulnerabilities." The developer also cites a past disclosure that was not proven. As of 20070120, the original researcher has released demonstration code.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.2 (HIGH) (AV:L/AC:L/Au:N/C:C/I:C/A:C) (legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: OSVDB
Name: 32727
External Source: BUGTRAQ
Name: 20070120 Digital Armaments Security Advisory 20.01.2007: Grsecurity Kernel PaX Vulnerability
External Source: BUGTRAQ
Name: 20070309 Re: Digital Armaments Security Advisory 20.01.2007: Grsecurity Kernel PaX Vulnerability
External Source: BUGTRAQ
Name: 20070111 Digital Armaments Security Pre-Advisory 11.01.2007: Grsecurity Kernel PaX - Local root vulnerability
Type: Advisory
External Source: BUGTRAQ
Name: 20070112 Lies? [Was: Re: Digital Armaments Security Pre-Advisory11.01.2007: Grsecurity Kernel PaX - Local root vulnerability]
External Source: MISC
Name: http://grsecurity.net/news.php#digitalfud
External Source: MISC
Name: http://www.digitalarmaments.com/news_news.shtml
Type: Advisory
External Source: BID
Name: 22014
External Source: SECUNIA
Name: 23713
External Source: SECTRACK
Name: 1017509
External Source: VUPEN
Name: ADV-2007-0155
External Source: MISC
Name: http://www.digitalarmaments.com/pre2007-00018659.html
Type: Advisory
External Source: MISC
Name: http://forums.grsecurity.net/viewtopic.php?t=1646
Type: Advisory

Technical Details

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