Linux Kernel 2.6.26.2 rt6_fill_node resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel 2.6.26.2. Affected by this vulnerability is the function rt6_fill_node. The manipulation leads to resource management. This vulnerability is listed as CVE-2008-3686. There is no available exploit.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.26.2 (Operating System). It has been rated as problematic. This issue affects the function rt6_fill_node. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

The rt6_fill_node function in net/ipv6/route.c in Linux kernel 2.6.26-rc4, 2.6.26.2, and possibly other 2.6.26 versions, allows local users to cause a denial of service (kernel OOPS) via IPv6 requests when no IPv6 input device is in use, which triggers a NULL pointer dereference.

The issue has been introduced in 07/13/2008. The weakness was presented 08/14/2008 (Website). It is possible to read the advisory at xforce.iss.net. The identification of this vulnerability is CVE-2008-3686 since 08/14/2008. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (44605) and Secunia (SA31579†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

2.6.26.2

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/13/2008 🔍
08/14/2008 +32 days 🔍
08/14/2008 +0 days 🔍
08/14/2008 +0 days 🔍
08/22/2008 +8 days 🔍
03/17/2015 +2398 days 🔍
04/13/2019 +1488 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: xforce.iss.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-3686 (🔍)
GCVE (CVE): GCVE-0-2008-3686
GCVE (VulDB): GCVE-100-43703
X-Force: 44605
Secunia: 31579 - Linux Kernel "rt6_fill_node()" Denial of Service Vulnerability, Not Critical
Vupen: ADV-2008-2422

Entryinfo

Created: 03/17/2015 12:19
Updated: 04/13/2019 18:31
Changes: 03/17/2015 12:19 (50), 04/13/2019 18:31 (6)
Complete: 🔍
Cache ID: 216:203:103