Linux Kernel 2.6.10 on AMD64 Segment ptrace denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.10 on AMD64. It has been declared as problematic. This impacts the function ptrace of the component Segment Handler. The manipulation results in denial of service. This vulnerability is known as CVE-2005-1265. Access to the local network is required for this attack. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel 2.6.10 on AMD64 (Operating System). Affected is the function ptrace of the component Segment Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The mmap function in the Linux Kernel 2.6.10 can be used to create memory maps with a start address beyond the end address, which allows local users to cause a denial of service (kernel crash).

The bug was discovered 06/09/2005. The weakness was published 06/09/2005 by Alexander Nyberg with Linux Kernel Group (Website). The advisory is shared for download at kernel.org. This vulnerability is traded as CVE-2005-1265 since 04/25/2005. Access to the local network is required for this attack to succeed. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 167 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21943 (CentOS 4 : kernel (CESA-2005:514)), 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 117811 (CentOS Security Update for Kernel (CESA-2005:514)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at kernel.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (20950), Tenable (21943), SecurityFocus (BID 13893†), OSVDB (17234†) and Secunia (SA15630†). Similar entries are available at VDB-1288, VDB-1289, VDB-1290 and VDB-1561. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21943
Nessus Name: CentOS 4 : kernel (CESA-2005:514)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56014
OpenVAS Name: Debian Security Advisory DSA 922-1 (kernel-source-2.4.27)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: kernel.org

Timelineinfo

12/24/2004 🔍
04/25/2005 +122 days 🔍
06/08/2005 +44 days 🔍
06/09/2005 +1 days 🔍
06/09/2005 +0 days 🔍
06/09/2005 +0 days 🔍
06/09/2005 +0 days 🔍
06/14/2005 +4 days 🔍
06/16/2005 +2 days 🔍
10/05/2005 +111 days 🔍
11/09/2005 +35 days 🔍
07/05/2006 +238 days 🔍
07/03/2019 +4746 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Alexander Nyberg
Organization: Linux Kernel Group
Status: Confirmed

CVE: CVE-2005-1265 (🔍)
GCVE (CVE): GCVE-0-2005-1265
GCVE (VulDB): GCVE-100-1560

OVAL: 🔍

X-Force: 20950
SecurityFocus: 13893 - Linux Kernel MMap Invalid Memory Region Local Denial Of Service Vulnerability
Secunia: 15630 - Linux Kernel "ptrace()" and "mmap()" Vulnerabilities, Less Critical
OSVDB: 17234 - Linux Kernel mmap() Function Crafted Memory Map Code Execution
SecurityTracker: 1014152
Vulnerability Center: 9607 - Linux Kernel local DoS via mmap Function, Low

See also: 🔍

Entryinfo

Created: 06/14/2005 14:38
Updated: 07/03/2019 12:23
Changes: 06/14/2005 14:38 (94), 07/03/2019 12:23 (8)
Complete: 🔍
Cache ID: 216:B22:103

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