PT-2022-12828 · Bentley · Bentley Microstation Connect

Mat Powell · Published 2022-01-31 · Updated 2022-02-25 · CVE-2021-46590

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Bentley MicroStation CONNECT version 10.16.0.80

Description This issue allows remote attackers to execute arbitrary code on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the parsing of JT files, specifically when crafted data in a JT file can trigger a read past the end of an allocated buffer. This can be leveraged to execute code in the context of the current process.

Recommendations For Bentley MicroStation CONNECT version 10.16.0.80, consider restricting the use of JT file parsing functionality until a patch is available. As a temporary workaround, avoid opening malicious files or visiting untrusted pages that could exploit this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-46590

ZDI-22-177

Affected Products

Bentley Microstation Connect

References · 4

• https://zerodayinitiative.com/advisories/ZDI-22-177 · Security Note
• https://bentley.com/en/common-vulnerability-exposure/BE-2021-0005 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-46590 · Security Note
• https://osv.dev/vulnerability/CVE-2021-46590 · Vendor Advisory