VMware vCenter Server up to 5.0 Update 2 Log memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability was found in VMware vCenter Server up to 5.0 Update 2. It has been rated as problematic. This impacts an unknown function of the component Log Handler. This manipulation causes memory corruption. The identification of this vulnerability is CVE-2012-6326. There is no exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in VMware vCenter Server up to 5.0 Update 2 (Server Management Software). It has been declared as critical. Affected by this vulnerability is an unknown function of the component Log Handler. 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:

VMware vCenter Server 4.1 before Update 3 and 5.0 before Update 2, and vCSA 5.0 before Update 2, allows remote attackers to cause a denial of service (disk consumption) via vectors that trigger large log entries.

The weakness was shared 02/21/2013 as confirmed advisory (Website). It is possible to read the advisory at vmware.com. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2012-6326 since 12/10/2012. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 65209 (VMware vCenter Server Denial of Service (VMSA-2012-0018)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

Applying a patch is able to eliminate this problem. The bugfix is ready for download at vmware.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (82299), Tenable (65209), SecurityFocus (BID 58139†), OSVDB (90580†) and Secunia (SA46859†). The entries VDB-4675, VDB-7194 and VDB-7195 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 65209
Nessus Name: VMware vCenter Server Denial of Service (VMSA-2012-0018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: vmware.com

Timelineinfo

12/10/2012 🔍
12/21/2012 +11 days 🔍
02/21/2013 +62 days 🔍
02/21/2013 +0 days 🔍
02/21/2013 +0 days 🔍
02/21/2013 +0 days 🔍
02/22/2013 +1 days 🔍
02/22/2013 +0 days 🔍
02/26/2013 +4 days 🔍
03/12/2013 +14 days 🔍
03/13/2013 +1 days 🔍
05/05/2021 +2975 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2012-6326 (🔍)
GCVE (CVE): GCVE-0-2012-6326
GCVE (VulDB): GCVE-100-7819

IAVM: 🔍

X-Force: 82299
SecurityFocus: 58139 - VMWare vCenter Server and vCenter Server Appliance CVE-2012-6326 Denial of Service Vulnerability
Secunia: 46859 - VMware vCenter Server Appliance Multiple Vulnerabilities, Less Critical
OSVDB: 90580
SecurityTracker: 1028202 - VMware vCenter Server Lets Remote Users Create Large Log Entries and Deny Service
Vulnerability Center: 38765 - VMware vCenter Server and vCSA Remote DoS Vulnerability via Large Log Entries, Medium

scip Labs: https://www.scip.ch/en/?labs.20060413
See also: 🔍

Entryinfo

Created: 02/26/2013 17:15
Updated: 05/05/2021 14:43
Changes: 02/26/2013 17:15 (78), 04/25/2017 22:59 (5), 05/05/2021 14:43 (3)
Complete: 🔍
Committer:
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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