Bentley ID: BE-2022-0003
CVE ID: CVE-2022-28308, CVE-2022-28309, CVE-2022-28312, CVE-2022-28313
Severity: 3.3
CVSS v3.1: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Publication date: 2022-04-05
Revision date: 2022-04-05

Summary
MicroStation and MicroStation-based applications may be affected by out-of-bounds read vulnerabilities when opening maliciously crafted 3DS files. Exploiting these vulnerabilities might lead to information disclosure.

Details
The following vulnerabilities related to this advisory were discovered by TrendMicro ZDI: ZDI-CAN-16307, ZDI-CAN-16308, ZDI-CAN-16342 and ZDI-CAN-16343. Using an affected version of MicroStation or MicroStation-based application to open a 3DS file containing maliciously crafted data can force an out-of-bounds read. Exploitation of these vulnerabilities within the parsing of 3DS files could enable information disclosure in the context of the current process.

Affected Versions

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 3DS files coming from trusted sources.

Acknowledgement
Thanks to Mat Powell of Trend Micro Zero Day Initiative for discovering these vulnerabilities.

Revision History