Vulnerability · Published Feb 18, 2022 · Assigned by zdi
CVE-2021-46606
High 7.8
In plain English
A high-severity heap buffer overflow 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 BMP images. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15400.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Bentley | MicroStation CONNECT | 10.16.0.80 |
Weakness: CWE-122 · 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-2021-0002 x_refsource_MISC
- https://www.zerodayinitiative.com/advisories/ZDI-22-193/ x_refsource_MISC