CVE-2007-0257
Unspecified vulnerability in the expand_stack function in grsecurity PaX allows local users to gain privileges via unspecified vectors.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.00% probability · 61th percentile
- CISA KEV
- Not listed
- Affected
- grsecurity/grsecurity kernel patch
- Source
- cve@mitre.org
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 Advisory, URL Repurposed
- http://www.digitalarmaments.com/pre2007-00018659.htmlVendor Advisory, URL 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
- http://osvdb.org/32727
- http://secunia.com/advisories/23713
- http://securitytracker.com/id?1017509
- http://www.digitalarmaments.com/news_news.shtmlVendor Advisory, URL Repurposed
- http://www.digitalarmaments.com/pre2007-00018659.htmlVendor Advisory, URL 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.