#VU46756 Out-of-bounds read


Published: 2020-09-16

Vulnerability identifier: #VU46756

Vulnerability risk: Medium

CVSSv3: 4.7 [CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3988

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software: VMware Horizon Client
Client/Desktop applications / Software for system administration
VMware Workstation
Client/Desktop applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the Cortado ThinPrint component in JPEG2000 parser. A remote authenticated attacker can use a specially crafted EMF file, trigger out-of-bounds read error and read contents of memory on the system or cause a denial of service (DoS) condition.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware Horizon Client: 5.0.0, 5.1.0, 5.2.0, 5.3, 5.4, 5.4.1, 5.4.2, 5.4.3

VMware Workstation: 15.0.0, 15.0.1, 15.0.2, 15.0.3, 15.0.4, 15.1.0, 15.5.0, 15.5.1, 15.5.2, 15.5.5, 15.5.6

CPE

External links
https://www.zerodayinitiative.com/advisories/ZDI-20-1181/
https://www.vmware.com/security/advisories/VMSA-2020-0020.html


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability