Fabrice Bellard QEMU vmware-vga Driver 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.
4.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Fabrice Bellard QEMU. This impacts an unknown function of the component vmware-vga Driver. The manipulation results in access control. This vulnerability is cataloged as CVE-2014-3689. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (affected version not known). It has been classified as problematic. Affected is some unknown functionality of the component vmware-vga Driver. 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. CVE summarizes:

The vmware-vga driver (hw/display/vmware_vga.c) in QEMU allows local guest users to write to qemu memory locations and gain privileges via unspecified parameters related to rectangle handling.

The weakness was shared 10/17/2014 by Petr Matousek as vmware-vga: fix CVE-2014-3689 as confirmed patch (Mailing List). The advisory is available at mail-archive.com. This vulnerability is traded as CVE-2014-3689 since 05/14/2014. The exploitability is told to be difficult. The attack can only be initiated within the local network. A authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 78897 (Debian DSA-3066-1 : qemu - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168775 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2016:1154-1)).

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (98578), Tenable (78897), SecurityFocus (BID 70997†), OSVDB (114397†) and Secunia (SA60923†). Further details are available at bugzilla.redhat.com. The entries VDB-13216, VDB-13276, VDB-13279 and VDB-13280 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.6
VulDB Temp Score: 4.0
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: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 78897
Nessus Name: Debian DSA-3066-1 : qemu - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703066
OpenVAS Name: Debian Security Advisory DSA 3066-1 (qemu - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

05/14/2014 🔍
10/17/2014 +156 days 🔍
11/06/2014 +20 days 🔍
11/06/2014 +0 days 🔍
11/07/2014 +1 days 🔍
11/11/2014 +4 days 🔍
11/12/2014 +1 days 🔍
11/14/2014 +2 days 🔍
11/18/2014 +4 days 🔍
02/24/2022 +2655 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: vmware-vga: fix CVE-2014-3689
Researcher: Petr Matousek
Status: Confirmed

CVE: CVE-2014-3689 (🔍)
GCVE (CVE): GCVE-0-2014-3689
GCVE (VulDB): GCVE-100-68154

OVAL: 🔍

X-Force: 98578 - QEMU vmware-vga driver security bypass, Medium Risk
SecurityFocus: 70997 - QEMU CVE-2014-3689 Multiple Local Security Bypass Vulnerabilities
Secunia: 60923 - QEMU vmware_vga Rectangle Handling Multiple Vulnerabilities, Less Critical
OSVDB: 114397
Vulnerability Center: 47152 - QEMU Local Privelege Escalation Related to Rectangle Handling, High

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 11/12/2014 16:32
Updated: 02/24/2022 12:57
Changes: 11/12/2014 16:32 (83), 06/12/2017 08:27 (2), 02/24/2022 12:57 (3)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!