Linux Kernel 2.6.25/2.6.25.1/2.6.25.2 sys_utimensat resource management

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Linux Kernel 2.6.25/2.6.25.1/2.6.25.2. Affected is the function sys_utimensat. Executing a manipulation can lead to resource management. This vulnerability is handled as CVE-2008-2136. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.25/2.6.25.1/2.6.25.2 (Operating System). It has been declared as critical. This vulnerability affects the function sys_utimensat. 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. CVE summarizes:

Memory leak in the ipip6_rcv function in net/ipv6/sit.c in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3 allows remote attackers to cause a denial of service (memory consumption) via network traffic to a Simple Internet Transition (SIT) tunnel interface, related to the pskb_may_pull and kfree_skb functions, and management of an skb reference count.

The issue has been introduced in 04/17/2008. The weakness was released 05/15/2008 by Paul Marks with Kernel.org (Website). The advisory is available at kernel.org. This vulnerability was named CVE-2008-2136 since 05/12/2008. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details 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 28 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 67729 (Oracle Linux 4 : kernel (ELSA-2008-0607)), 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 165690 (SUSE Enterprise Linux Security Update Linux Kernel (SUSE-SA:2008:032)).

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 immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (42451), Tenable (67729), SecurityFocus (BID 29235†), Secunia (SA31689†) and SecurityTracker (ID 1020118†). Entries connected to this vulnerability are available at VDB-3470, VDB-3471, VDB-3494 and VDB-3692. 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: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67729
Nessus Name: Oracle Linux 4 : kernel (ELSA-2008-0607)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61103
OpenVAS Name: Debian Security Advisory DSA 1588-1 (linux-2.6)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Patch: kernel.org

Timelineinfo

04/17/2008 🔍
05/12/2008 +25 days 🔍
05/14/2008 +2 days 🔍
05/15/2008 +1 days 🔍
05/15/2008 +0 days 🔍
05/16/2008 +1 days 🔍
05/20/2008 +4 days 🔍
05/20/2008 +0 days 🔍
05/28/2008 +7 days 🔍
07/12/2013 +1871 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Paul Marks
Organization: Kernel.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-2136 (🔍)
GCVE (CVE): GCVE-0-2008-2136
GCVE (VulDB): GCVE-100-3706

OVAL: 🔍
IAVM: 🔍

X-Force: 42451 - Linux kernel ipip6_rcv function denial of service, Medium Risk
SecurityFocus: 29235 - Linux Kernel 'ipip6_rcv()' Remote Denial of Service Vulnerability
Secunia: 31689 - Avaya Products Linux Kernel Local Denial of Service, Not Critical
SecurityTracker: 1020118
Vupen: ADV-2008-1716

See also: 🔍

Entryinfo

Created: 05/20/2008 09:43
Changes: 05/20/2008 09:43 (97)
Complete: 🔍
Cache ID: 216::103

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

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