VMware Workstation/Fusion Virtual Network Adapter 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 labeled as critical has been found in VMware Workstation and Fusion. Affected by this issue is some unknown functionality of the component Virtual Network Adapter. Such manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2019-5515. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in VMware Workstation and Fusion (Virtualization Software) (the affected version unknown). Affected by this issue is an unknown part of the component Virtual Network Adapter. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

VMware Workstation (15.x before 15.0.3, 14.x before 14.1.6) and Fusion (11.x before 11.0.3, 10.x before 10.1.6) updates address an out-of-bounds write vulnerability in the e1000 and e1000e virtual network adapters. Exploitation of this issue may lead to code execution on the host from the guest but it is more likely to result in a denial of service of the guest.

The bug was discovered 03/28/2019. The weakness was released 04/02/2019 by Csaba Fitzl (CodeColorist) (Website). The advisory is shared for download at vmware.com. This vulnerability is handled as CVE-2019-5515 since 01/07/2019. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit 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†). Entries connected to this vulnerability are available at VDB-132692, VDB-132693, VDB-132694 and VDB-132717. Once again VulDB remains the best source 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: 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-2019-5515 (🔍)
GCVE (CVE): GCVE-0-2019-5515
GCVE (VulDB): GCVE-100-132716
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 14:36
Changes: 04/02/2019 21:21 (62), 05/23/2020 18:31 (6), 08/21/2023 14:36 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!