Linux Kernel 2.6.8.1 Address mmap resource management

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.8.1. It has been rated as problematic. Affected is the function mmap of the component Address Handler. This manipulation causes resource management. This vulnerability is handled as CVE-2005-0756. The attack can only be done within the local network. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Linux Kernel 2.6.8.1 (Operating System) and classified as problematic. Affected by this vulnerability is the function mmap of the component Address Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

ptrace in Linux kernel 2.6.8.1 does not properly verify addresses on the amd64 platform, which allows local users to cause a denial of service (kernel crash).

The bug was discovered 06/09/2005. The weakness was released 06/09/2005 by Alexander Nyberg with Linux Kernel Group (Website). The advisory is shared at kernel.org. This vulnerability is known as CVE-2005-0756 since 03/17/2005. The attack needs to approached within the local network. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 298 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 20529 (Ubuntu 4.10 / 5.04 : linux-source-2.6.10, linux-source-2.6.8.1 vulnerabilities (USN-137-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117852 (CentOS Security Update for Kernel (CESA-2005:663)).

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 before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (20953), Tenable (20529), SecurityFocus (BID 13891†), OSVDB (17233†) and Secunia (SA15630†). Entries connected to this vulnerability are available at VDB-1234, VDB-1560, VDB-1592 and VDB-1681. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20529
Nessus Name: Ubuntu 4.10 / 5.04 : linux-source-2.6.10, linux-source-2.6.8.1 vulnerabilities (USN-137-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56013
OpenVAS Name: Debian Security Advisory DSA 921-1 (kernel-source-2.4.27)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: kernel.org

Timelineinfo

08/14/2004 🔍
03/17/2005 +215 days 🔍
06/08/2005 +83 days 🔍
06/08/2005 +0 days 🔍
06/08/2005 +0 days 🔍
06/09/2005 +1 days 🔍
06/09/2005 +0 days 🔍
06/14/2005 +5 days 🔍
11/09/2005 +148 days 🔍
01/15/2006 +67 days 🔍
07/03/2019 +4917 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Alexander Nyberg
Organization: Linux Kernel Group
Status: Not defined

CVE: CVE-2005-0756 (🔍)
GCVE (CVE): GCVE-0-2005-0756
GCVE (VulDB): GCVE-100-1561

OVAL: 🔍

X-Force: 20953
SecurityFocus: 13891 - Linux Kernel 64 Bit PTrace Segment Base Address Local Denial Of Service Vulnerability
Secunia: 15630 - Linux Kernel "ptrace()" and "mmap()" Vulnerabilities, Less Critical
OSVDB: 17233 - CVE-2005-0756 - Linux - Kernel - Denial-Of-Service Issue
Vulnerability Center: 9606 - Linux Kernel Local DoS via Ptrace on amd64 Platforms, Low
Vupen: ADV-2005-1878

See also: 🔍

Entryinfo

Created: 06/14/2005 14:38
Updated: 07/03/2019 12:15
Changes: 06/14/2005 14:38 (84), 07/03/2019 12:15 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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