VMware ESXi/ESX up to 5.0 NFS Traffic Parsing memory corruption

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.
6.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in VMware ESXi and ESX up to 5.0 and classified as problematic. Affected is an unknown function of the component NFS Traffic Parsing. This manipulation causes memory corruption. This vulnerability appears as CVE-2012-2448. There is no available exploit. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in VMware ESXi and ESX up to 5.0 (Virtualization Software) and classified as critical. Affected by this vulnerability is an unknown part of the component NFS Traffic Parsing. 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 confidentiality, integrity, and availability. The summary by CVE is:

VMware ESXi 3.5 through 5.0 and ESX 3.5 through 4.1 allow remote attackers to execute arbitrary code or cause a denial of service (memory overwrite) via NFS traffic.

The weakness was presented 05/03/2012 as VMSA-2012-0009 as confirmed knowledge base article (Website). It is possible to read the advisory at vmware.com. This vulnerability is known as CVE-2012-2448 since 05/01/2012. The exploitation appears to be difficult. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 70882 (ESXi 5.0 < Build 702118 Multiple Vulnerabilities (remote check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 216019 (VMWare ESXi 4.0.0 Patch Release ESXi400-201205001 Missing (KB2019855)).

Upgrading eliminates this vulnerability. The upgrade is hosted for download at vmware.com. Applying a patch is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (75375), Tenable (70882), SecurityFocus (BID 53369†), OSVDB (81693†) and Secunia (SA49019†). See VDB-5324, VDB-5322, VDB-5321 and VDB-5325 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70882
Nessus Name: ESXi 5.0 < Build 702118 Multiple Vulnerabilities (remote check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 103481
OpenVAS Name: VMSA-2012-0009 VMware Workstation, Player, ESXi and ESX patches address critical security issues
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Upgrade: vmware.com

Timelineinfo

05/01/2012 🔍
05/03/2012 +2 days 🔍
05/03/2012 +0 days 🔍
05/03/2012 +0 days 🔍
05/04/2012 +1 days 🔍
05/04/2012 +0 days 🔍
05/04/2012 +0 days 🔍
05/04/2012 +0 days 🔍
05/09/2012 +5 days 🔍
05/20/2012 +11 days 🔍
11/13/2013 +542 days 🔍
03/24/2021 +2688 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: VMSA-2012-0009
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2448 (🔍)
GCVE (CVE): GCVE-0-2012-2448
GCVE (VulDB): GCVE-100-5323

OVAL: 🔍
IAVM: 🔍

X-Force: 75375
SecurityFocus: 53369 - VMware Multiple Products Multiple Memory Corruption Privilege Escalation Vulnerabilities
Secunia: 49019 - VMware ESX Server / ESXi Multiple Vulnerabilities, Moderately Critical
OSVDB: 81693
SecurityTracker: 1027018 - VMware ESX/ESXi NFS Flaw Lets Remote Users Execute Arbitrary Code and RPC Pointer Errors Let Local Users Gain Elevated Privileges
Vulnerability Center: 35091 - VMware ESXi 3.5-5.0 and ESX 3.5-4.1 Remote DoS or Arbitrary Code Execution via NFS Traffic, Critical

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

Entryinfo

Created: 05/09/2012 14:18
Updated: 03/24/2021 10:03
Changes: 05/09/2012 14:18 (84), 04/11/2017 22:19 (11), 03/24/2021 10:03 (3)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!