VMware Workstation/Server Trap Flag access control

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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in VMware Workstation and Server and classified as problematic. The affected element is an unknown function of the component Trap Flag Handler. Performing a manipulation results in access control. This vulnerability is reported as CVE-2008-4915. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in VMware Workstation and Server (Virtualization Software) (the affected version unknown). It has been classified as problematic. This affects an unknown part of the component Trap Flag Handler. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The CPU hardware emulation in VMware Workstation 6.0.5 and earlier and 5.5.8 and earlier; Player 2.0.x through 2.0.5 and 1.0.x through 1.0.8; ACE 2.0.x through 2.0.5 and earlier, and 1.0.x through 1.0.7; Server 1.0.x through 1.0.7; ESX 2.5.4 through 3.5; and ESXi 3.5, when running 32-bit and 64-bit guest operating systems, does not properly handle the Trap flag, which allows authenticated guest OS users to gain privileges on the guest OS.

The bug was discovered 11/06/2008. The weakness was disclosed 11/17/2008 by Derek Soeder with eEye (Website). It is possible to read the advisory at lists.vmware.com. This vulnerability is uniquely identified as CVE-2008-4915 since 11/03/2008. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 34818 (VMware Products Multiple Vulnerabilities (VMSA-2008-0018/VMSA-2008-0019)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at lists.vmware.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (46415), Tenable (34818), SecurityFocus (BID 32168†), OSVDB (49795†) and Secunia (SA32612†). The entry VDB-44938 is pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.6
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 34818
Nessus Name: VMware Products Multiple Vulnerabilities (VMSA-2008-0018/VMSA-2008-0019)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800072
OpenVAS Name: VMware Products Trap Flag In-Guest Privilege Escalation Vulnerability (Linux)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: lists.vmware.com

Timelineinfo

11/03/2008 🔍
11/06/2008 +3 days 🔍
11/06/2008 +0 days 🔍
11/06/2008 +0 days 🔍
11/07/2008 +1 days 🔍
11/07/2008 +0 days 🔍
11/10/2008 +3 days 🔍
11/11/2008 +1 days 🔍
11/17/2008 +5 days 🔍
11/18/2008 +1 days 🔍
11/19/2008 +1 days 🔍
11/23/2008 +4 days 🔍
08/21/2019 +3923 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: lists.vmware.com
Researcher: Derek Soeder
Organization: eEye
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4915 (🔍)
GCVE (CVE): GCVE-0-2008-4915
GCVE (VulDB): GCVE-100-3867

OVAL: 🔍

X-Force: 46415 - Multiple VMware products CPU hardware privilege escalation, High Risk
SecurityFocus: 32168 - VMware Products Trap Flag In-Guest Privilege Escalation Vulnerability
Secunia: 32612 - VMware Products Multiple Vulnerabilities, Less Critical
OSVDB: 49795 - VMware Multiple Products CPU Hardware Emulation Trap Flag Handling Guest OS Users Privilege Escalation
SecurityTracker: 1021154
Vulnerability Center: 20051 - VMware Multiple Products CPU Hardware Emulation Privilege Escalation Related to Trap Flag, Medium
Vupen: ADV-2008-3052

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

Entryinfo

Created: 11/18/2008 18:58
Updated: 08/21/2019 09:14
Changes: 11/18/2008 18:58 (100), 08/21/2019 09:14 (1)
Complete: 🔍
Cache ID: 216:A80:103

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 ▸

Might our Artificial Intelligence support you?

Check our Alexa App!