Vulnerability Description
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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Grsecurity | Grsecurity Kernel Patch | 1.9.4 |
References
- http://forums.grsecurity.net/viewtopic.php?t=1646Vendor Advisory
- http://grsecurity.net/news.php#digitalfud
- http://osvdb.org/32727
- http://secunia.com/advisories/23713
- http://securitytracker.com/id?1017509
- http://www.digitalarmaments.com/news_news.shtmlVendor AdvisoryURL Repurposed
- http://www.digitalarmaments.com/pre2007-00018659.htmlVendor AdvisoryURL Repurposed
- http://www.securityfocus.com/archive/1/456626/100/0/threaded
- http://www.securityfocus.com/archive/1/456722/100/0/threaded
- http://www.securityfocus.com/archive/1/457509/100/0/threaded
- http://www.securityfocus.com/archive/1/462302/100/100/threaded
- http://www.securityfocus.com/bid/22014
- http://www.vupen.com/english/advisories/2007/0155
- http://forums.grsecurity.net/viewtopic.php?t=1646Vendor Advisory
- http://grsecurity.net/news.php#digitalfud
FAQ
What is CVE-2007-0257?
CVE-2007-0257 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 ...
How severe is CVE-2007-0257?
CVE-2007-0257 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2007-0257?
Check the references section above for vendor advisories and patch information. Affected products include: Grsecurity Grsecurity Kernel Patch.