CVE-2007-0257
What it is
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
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.0% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.0% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 1.0% · EPSS, next 30 days
- Record status
- Modified
Affected
- Grsecurity Kernel Patch 1.9.4
- Grsecurity Kernel Patch 2.0.1
- Grsecurity Kernel Patch 2.0.2
- Grsecurity Kernel Patch 2.1.0
- Grsecurity Kernel Patch 2.1.1
- Grsecurity Kernel Patch 2.1.2
- Grsecurity Kernel Patch 2.1.3
- Grsecurity Kernel Patch 2.1.4
Attack profile CVSS 3.1 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2007-0257.md and follow it. Check whether this project is affected by CVE-2007-0257. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://forums.grsecurity.net/viewtopic.php?t=1646
- http://www.digitalarmaments.com/news_news.shtml
- http://www.digitalarmaments.com/pre2007-00018659.html
- http://forums.grsecurity.net/viewtopic.php?t=1646
- http://www.digitalarmaments.com/news_news.shtml
- http://www.digitalarmaments.com/pre2007-00018659.html
References
- http://forums.grsecurity.net/viewtopic.php?t=1646
- 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.shtml
- http://www.digitalarmaments.com/pre2007-00018659.html
- 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=1646
- 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.shtml
- http://www.digitalarmaments.com/pre2007-00018659.html
- 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