Buffer overflow in Bentley View and MicroStation - CVE-2021-34934

 

Buffer overflow in Bentley View and MicroStation - CVE-2021-34934

Published: December 8, 2021


Vulnerability identifier: #VU58746
CSH Severity: High
CVSS v4: 8.4 [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]
CVE-ID: CVE-2021-34934
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary error when processing JT files. A remote attacker can create a specially crafted JT file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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


Affected software

Bentley View
MicroStation

How to mitigate CVE-2021-34934

Install updates from vendor's website.

Bentley View - update to 10.16.02.34
MicroStation - update to 10.16.02.34

External References

Related Security Bulletins