Enterprise Linux linux-2.4.21-mlock.patch denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Enterprise Linux linux-2.4.21-mlock.patch. Impacted is an unknown function. This manipulation causes denial of service. This vulnerability is handled as CVE-2004-0491. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Enterprise Linux linux-2.4.21-mlock.patch and classified as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect integrity. The summary by CVE is:

The linux-2.4.21-mlock.patch in Red Hat Enterprise Linux 3 does not properly maintain the mlock page count when one process unlocks pages that belong to another process, which allows local users to mlock more memory than specified by the rlimit.

The bug was discovered 06/21/2004. The weakness was released 12/31/2004 by Mark J. Cox (Website). The advisory is shared at marc.theaimsgroup.com. This vulnerability is known as CVE-2004-0491 since 05/27/2004. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 193 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21828 (CentOS 3 : kernel (CESA-2005:472)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117946 (CentOS Security Update for Kernel (CESA-2005:472)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22620), Tenable (21828), SecurityFocus (BID 13769†), OSVDB (13932†) and Secunia (SA19607†). Entries connected to this vulnerability are available at VDB-1472, VDB-23676, VDB-23953 and VDB-34860. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21828
Nessus Name: CentOS 3 : kernel (CESA-2005:472)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

05/27/2004 🔍
06/21/2004 +25 days 🔍
12/31/2004 +193 days 🔍
12/31/2004 +0 days 🔍
05/25/2005 +145 days 🔍
05/25/2005 +0 days 🔍
11/15/2005 +174 days 🔍
04/11/2006 +147 days 🔍
07/03/2006 +83 days 🔍
02/27/2015 +3161 days 🔍
06/11/2019 +1565 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Researcher: Mark J. Cox
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-0491 (🔍)
GCVE (CVE): GCVE-0-2004-0491
GCVE (VulDB): GCVE-100-22621

OVAL: 🔍

X-Force: 22620
SecurityFocus: 13769 - Linux Kernel Local MEMLOCK RLIMIT Bypass Denial Of Service Vulnerability
Secunia: 19607 - SGI ProPack kernel Multiple Vulnerabilities, Moderately Critical
OSVDB: 13932 - CVE-2004-0491 - Red Hat - Enterprise Linux - Privilege Escalation Issue
Vulnerability Center: 9626 - Red Hat Enterprise Linux Restrictions Bypass via mlock Page, Low

See also: 🔍

Entryinfo

Created: 02/27/2015 23:41
Updated: 06/11/2019 12:04
Changes: 02/27/2015 23:41 (71), 06/11/2019 12:04 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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