Vulnerability · Published Feb 18, 2022 · Assigned by zdi
CVE-2021-46569
High 7.8
In plain English
A high-severity out-of-bounds write in MicroStation CONNECT from Bentley. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.0% (higher than 81% of all known vulnerabilities).
Official description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.0.80. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of JT files. Crafted data in a JT file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15031.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Bentley | MicroStation CONNECT | 10.16.0.80 |
Weakness: CWE-787 · Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References
- https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-156/ x_refsource_MISC