Linux Kernel 2.6.16.9 clusterip_proc_write memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel 2.6.16.9. This affects the function clusterip_proc_write. This manipulation causes memory corruption. This vulnerability appears as CVE-2011-2534. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel 2.6.16.9 (Operating System). Affected by this vulnerability is the function clusterip_proc_write. 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:

Buffer overflow in the clusterip_proc_write function in net/ipv4/netfilter/ipt_CLUSTERIP.c in the Linux kernel before 2.6.39 might allow local users to cause a denial of service or have unspecified other impact via a crafted write operation, related to string data that lacks a terminating \0 character.

The issue has been introduced in 03/20/2006. The weakness was presented 06/22/2011 as Bug 689337 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2011-2534 since 06/22/2011. The exploitation appears to be difficult. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/13/2021).

The vulnerability was handled as a non-public zero-day exploit for at least 1920 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 59161 (SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7915)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165276 (SUSE Security Update for kernel (openSUSE-SU-2012:0206-1)).

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 Tenable (59161), SecurityFocus (BID 46921†) and Vulnerability Center (SBV-32388†). See VDB-60830, VDB-60062, VDB-58396 and VDB-57785 for similar entries. 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: 7.0
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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: 59161
Nessus Name: SuSE 10 Security Update : Linux kernel (ZYPP Patch Number 7915)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 850253
OpenVAS Name: SuSE Update for kernel openSUSE-SU-2012:0206-1 (kernel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: 961ed183a9fd080cf306c659b8736007e44065a5

Timelineinfo

03/20/2006 🔍
03/17/2011 +1823 days 🔍
06/22/2011 +97 days 🔍
06/22/2011 +0 days 🔍
06/22/2011 +0 days 🔍
06/22/2011 +0 days 🔍
07/24/2011 +32 days 🔍
03/23/2015 +1338 days 🔍
11/13/2021 +2427 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 689337
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-2534 (🔍)
GCVE (CVE): GCVE-0-2011-2534
GCVE (VulDB): GCVE-100-57763

OVAL: 🔍

SecurityFocus: 46921 - Linux Kernel Netfilter 'ipt_CLUSTERIP.c' Buffer Overflow Vulnerability
Vulnerability Center: 32388 - Linux Kernel prior to 2.6.39 net/ipv4/netfilter/ipt_CLUSTERIP.c Local Buffer Overflow Vulnerability, Low

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/13/2021 12:47
Changes: 03/23/2015 16:50 (61), 03/28/2017 09:00 (13), 11/13/2021 12:33 (4), 11/13/2021 12:40 (11), 11/13/2021 12:47 (1)
Complete: 🔍
Cache ID: 216:BA9:103

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