VDB-122821 · CVE-2018-6970 · BID 105031

VMware Horizon Client/Horizon up to 4.8.0/6.2.6/7.5.0 Message Framework Library out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability was found in VMware Horizon Client and Horizon up to 4.8.0/6.2.6/7.5.0. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Message Framework Library. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

VMware Horizon 6 (6.x.x before 6.2.7), Horizon 7 (7.x.x before 7.5.1), and Horizon Client (4.x.x and prior before 4.8.1) contain an out-of-bounds read vulnerability in the Message Framework library. Successfully exploiting this issue may allow a less-privileged user to leak information from a privileged process running on a system where Horizon Connection Server, Horizon Agent or Horizon Client are installed. Note: This issue doesn't apply to Horizon 6, 7 Agents installed on Linux systems or Horizon Clients installed on non-Windows systems.

The bug was discovered 08/07/2018. The weakness was released 08/13/2018 by Steven Seeley (mr_me) (Website). The advisory is shared at vmware.com. This vulnerability is known as CVE-2018-6970 since 02/13/2018. The exploitation appears to be easy. The attack can be launched remotely. Required for exploitation is a single authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 111602 (VMware Horizon View Client 4.x < 4.8.1 Information Disclosure Vulnerability (VMSA-2018-0019)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 371125 (VMware Horizon Client Information Disclosure Vulnerability(VMSA-2018-0019)).

Upgrading to version 4.8.1, 6.2.7 or 7.5.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111602).

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 111602
Nessus Name: VMware Horizon View Client 4.x < 4.8.1 Information Disclosure Vulnerability (VMSA-2018-0019)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Horizon Client/Horizon 4.8.1/6.2.7/7.5.1

Timelineinfo

02/13/2018 🔍
08/07/2018 +174 days 🔍
08/07/2018 +0 days 🔍
08/07/2018 +0 days 🔍
08/09/2018 +2 days 🔍
08/13/2018 +3 days 🔍
08/13/2018 +0 days 🔍
08/14/2018 +1 days 🔍
05/01/2023 +1721 days 🔍

Sourcesinfo

Vendor: vmware.com

Advisory: vmware.com
Researcher: Steven Seeley (mr_me)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-6970 (🔍)
SecurityTracker: 1041430
SecurityFocus: 105031 - VMware Horizon View Client CVE-2018-6970 Information Disclosure Vulnerability

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

Entryinfo

Created: 08/14/2018 08:13
Updated: 05/01/2023 14:33
Changes: 08/14/2018 08:13 (71), 03/15/2020 11:28 (7), 05/01/2023 14:33 (4)
Complete: 🔍

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