Linux Kernel 2.6.23 fput denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Linux Kernel 2.6.23. Impacted is the function fput. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2008-5029. Moreover, an exploit is present. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.23 (Operating System). It has been declared as problematic. This vulnerability affects the function fput. 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 availability. CVE summarizes:

The __scm_destroy function in net/core/scm.c in the Linux kernel 2.6.27.4, 2.6.26, and earlier makes indirect recursive calls to itself through calls to the fput function, which allows local users to cause a denial of service (panic) via vectors related to sending an SCM_RIGHTS message through a UNIX domain socket and closing file descriptors.

The bug was discovered 11/06/2008. The weakness was disclosed 11/10/2008 (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2008-5029 since 11/10/2008. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

A public exploit has been developed in ANSI C. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 398 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 67955 (Oracle Linux 3 : kernel (ELSA-2009-1550)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165629 (SUSE Enterprise Linux Security Update for Kernel (SUSE-SA:2009:008)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (46538), Tenable (67955), SecurityFocus (BID 32154†), OSVDB (49946†) and Secunia (SA32918†). The entries VDB-45344, VDB-45255, VDB-45132 and VDB-45061 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
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: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67955
Nessus Name: Oracle Linux 3 : kernel (ELSA-2009-1550)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 62843
OpenVAS Name: Debian Security Advisory DSA 1681-1 (linux-2.6.24)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

10/09/2007 🔍
11/06/2008 +394 days 🔍
11/06/2008 +0 days 🔍
11/10/2008 +4 days 🔍
11/10/2008 +0 days 🔍
11/10/2008 +0 days 🔍
11/10/2008 +0 days 🔍
11/23/2008 +13 days 🔍
11/28/2008 +5 days 🔍
11/28/2008 +0 days 🔍
11/04/2009 +341 days 🔍
07/12/2013 +1346 days 🔍
03/17/2015 +613 days 🔍
08/21/2019 +1618 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: securityfocus.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-5029 (🔍)
GCVE (CVE): GCVE-0-2008-5029
GCVE (VulDB): GCVE-100-44962

OVAL: 🔍

X-Force: 46538
SecurityFocus: 32154 - Linux Kernel '__scm_destroy()' Local Denial of Service Vulnerability
Secunia: 32918 - Ubuntu update for kernel, Moderately Critical
OSVDB: 49946 - CVE-2008-5029 - Linux - Kernel - Denial-Of-Service Issue
SecurityTracker: 1021292
Vulnerability Center: 20046 - Linux Kernel 2.6.27.4, 2.6.26, and Earlier __scm_destroy Function Local DoS, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/21/2019 08:35
Changes: 03/17/2015 16:11 (91), 08/21/2019 08:35 (5)
Complete: 🔍
Cache ID: 216:4A6:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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