Linux Kernel 2.4.34 isdn_ppp_ccp_reset_alloc_state memory corruption

CVSS Meta Temp Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.4.34. It has been classified as problematic. This affects the function isdn_ppp_ccp_reset_alloc_state. This manipulation causes memory corruption. This vulnerability is handled as CVE-2006-5749. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel 2.4.34 (Operating System). Affected by this vulnerability is the function isdn_ppp_ccp_reset_alloc_state. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux 2.4 kernel before 2.4.34-rc4 does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash.

The bug was discovered 02/07/2007. The weakness was released 12/29/2006 by Marcel Holtmann with Kernel Team (Website). It is possible to read the advisory at kernel.org. This vulnerability is known as CVE-2006-5749 since 11/06/2006. Attacking locally is a requirement. The requirement for exploitation is a single authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 27293 (openSUSE 10 Security Update : kernel (kernel-2705)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165085 (SUSE Security Update for Kernel (SUSE-SA:2007:021)).

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 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (33237), Tenable (27293), SecurityFocus (BID 21883†), OSVDB (31467†) and Secunia (SA23529†). Entries connected to this vulnerability are available at VDB-2714 and VDB-2949. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 27293
Nessus Name: openSUSE 10 Security Update : kernel (kernel-2705)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 830023
OpenVAS Name: Zoho ManageEngine Support Center Plus Multiple Fields XSS Vulnerabilities
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

11/06/2006 🔍
12/26/2006 +50 days 🔍
12/26/2006 +0 days 🔍
12/29/2006 +3 days 🔍
12/29/2006 +0 days 🔍
12/31/2006 +2 days 🔍
01/03/2007 +3 days 🔍
01/12/2007 +9 days 🔍
02/07/2007 +25 days 🔍
02/28/2007 +21 days 🔍
03/06/2007 +6 days 🔍
10/17/2007 +225 days 🔍
07/15/2019 +4289 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Marcel Holtmann
Organization: Kernel Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-5749 (🔍)
GCVE (CVE): GCVE-0-2006-5749
GCVE (VulDB): GCVE-100-2791
X-Force: 33237
SecurityFocus: 21883 - Linux Kernel ISDN PPP CCP Reset State Timer Denial of Service Vulnerability
Secunia: 23529 - Linux Kernel Unspecified "init_timer()" Security Issue, Moderately Critical
OSVDB: 31467 - Linux kernel isdn_ppp_ccp_reset_alloc_state init_timer DoS
Vulnerability Center: 14466 - Linux Kernel isdn_ppp_ccp_reset_alloc_state Function Denial of Service, Medium

See also: 🔍

Entryinfo

Created: 01/03/2007 09:51
Updated: 07/15/2019 21:08
Changes: 01/03/2007 09:51 (95), 07/15/2019 21:08 (2)
Complete: 🔍
Cache ID: 216:0D3:103

Be aware that VulDB is the high quality source for vulnerability data.

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