VMware Workstation/Fusion e1000 Virtual Network Adapte out-of-bounds write

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.
7.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in VMware Workstation and Fusion. This affects an unknown part of the component e1000 Virtual Network Adapte. Performing a manipulation results in out-of-bounds write. This vulnerability is reported as CVE-2019-5524. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in VMware Workstation and Fusion (Virtualization Software) (the affected version is unknown). This affects an unknown code of the component e1000 Virtual Network Adapte. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

VMware Workstation (14.x before 14.1.6) and Fusion (10.x before 10.1.6) contain an out-of-bounds write vulnerability in the e1000 virtual network adapter. This issue may allow a guest to execute code on the host.

The bug was discovered 03/28/2019. The weakness was disclosed 04/02/2019 by Csaba Fitzl (CodeColorist) (Website). The advisory is shared at vmware.com. This vulnerability is uniquely identified as CVE-2019-5524 since 01/07/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371719 (VMware Workstation (14.x,15.x), Fusion (10.x,11.x) Multiple Vulnerabilities (VMSA-2019-0005)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 107637†). The entries VDB-132692, VDB-132693, VDB-132694 and VDB-132716 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/07/2019 🔍
03/28/2019 +80 days 🔍
03/28/2019 +0 days 🔍
04/02/2019 +4 days 🔍
04/02/2019 +0 days 🔍
08/21/2023 +1602 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: 152290
Researcher: Csaba Fitzl (CodeColorist)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-5524 (🔍)
GCVE (CVE): GCVE-0-2019-5524
GCVE (VulDB): GCVE-100-132717
SecurityFocus: 107637 - VMware Fusion CVE-2019-5514 Local Security Bypass Vulnerability

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

Entryinfo

Created: 04/02/2019 21:21
Updated: 08/21/2023 14:38
Changes: 04/02/2019 21:21 (61), 05/23/2020 18:38 (6), 08/21/2023 14:38 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!