CVE-2007-0257

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Summary

CVECVE-2007-0257
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2007-01-16 23:28:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionUnspecified 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

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from ADP

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: NVD-CWE-Other | n/a | CWE-noinfo Not enough information

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Grsecurity Grsecurity Kernel Patch 1.9.4 All All All
Application Grsecurity Grsecurity Kernel Patch 2.0.1 All All All
Application Grsecurity Grsecurity Kernel Patch 2.0.2 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.0 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.1 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.2 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.3 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.4 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.5 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.6 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.7 All All All
Application Grsecurity Grsecurity Kernel Patch 2.1.8 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
PaX expand_stack() Lets Local Users Gain Root Privileges - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 securitytracker.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
grsecurity "expand_stack()" Privilege Escalation Vulnerability - Advisories - Secunia af854a3a-2127-422b-91ae-364da2661108 secunia.com
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Grsecurity Kernel PaX Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
grsecurity af854a3a-2127-422b-91ae-364da2661108 grsecurity.net
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Pre-advisory: Grsecurity Kernel PaX - Local root vulnerability - Digital Armaments for Intelligence af854a3a-2127-422b-91ae-364da2661108 www.digitalarmaments.com Vendor Advisory, URL Repurposed
News - Digital Armaments for Intelligence af854a3a-2127-422b-91ae-364da2661108 www.digitalarmaments.com Vendor Advisory, URL Repurposed
osvdb.org/32727 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
grsecurity forums • View topic - Local root in expand_stack()? af854a3a-2127-422b-91ae-364da2661108 forums.grsecurity.net Vendor Advisory
SecurityFocus af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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