Home / Common Vulnerability Exposure BE-2022-0018

BE-2022-0018: XMT File Parsing Out-of-bounds and Stack Overflow vulnerabilities in MicroStation and MicroStation-based applications

Bentley ID: BE-2022-0018
CVE ID: CVE-2022-42901
Severity: 7.83 (High)
CVSS v3.1: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Publication date: 12th October 2022
Revision date: 13th October 2022 

Summary

MicroStation and MicroStation-based applications may be affected by out-of-bounds and stack overflow vulnerabilities when opening maliciously crafted XMT files. Exploiting these vulnerabilities could lead to information disclosure and code execution.

Details

Using an affected version of MicroStation or MicroStation-based application to open a XMT file containing maliciously crafted data can force an out-of-bounds read or write and can force the execution of arbitrary code. Exploitation of these vulnerabilities within the parsing of XMT files could enable an attacker to execute arbitrary code in the context of the current process.

Affected Versions of Products

ProductAffected VersionFixed Version
MicroStation10.17.0.* and prior versions10.17.01.58 and more recent
Bentley View10.17.0.* and prior version10.17.01.19 and more recent

Recommended Mitigations

Bentley recommends updating to the latest versions of MicroStation and MicroStation-based applications. As a general best practice, it is also recommended to only open XMT files coming from trusted sources.

Acknowledgement

Thanks to xina1i for discovering these vulnerabilities.

Revision History

DateDescription
12th October 2022First version of the advisory
13th October 2022Adding CVE number