#VU62543 Out-of-bounds write in MicroStation and Bentley View - CVE-2022-28643

Vulnerability identifier: #VU62543

Vulnerability risk: High

CVSSv4.0: 5.7 [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-2022-28643

CWE-ID: CWE-787

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MicroStation
Universal components / Libraries / Software for developers
Bentley View
Client/Desktop applications / Office applications

Vendor: BENTLEY SYSTEMS

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error within the parsing of DGN files. A remote attacker can create a specially crafted file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

MicroStation: 10.16.02

Bentley View: 10.16.02

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External links
https://www.zerodayinitiative.com/advisories/ZDI-22-609/
https://www.bentley.com/en/common-vulnerability-exposure/be-2022-0004

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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