Stack-based buffer overflow in MicroStation and Bentley View - CVE-2021-34892

 

Stack-based buffer overflow in MicroStation and Bentley View - CVE-2021-34892

Published: December 8, 2021


Vulnerability identifier: #VU58737
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-34892
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MicroStation
Bentley View
Software vendor:
BENTLEY SYSTEMS

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when parsing JT files. A remote unauthenticated attacker can trick the victim to open a specially crafted JT file, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links