Vulnerability CVE-2021-46565


Published: 2022-02-18

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. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-15024.

Type:

CWE-121

(Stack-based Buffer Overflow)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Bentley -> Microstation 
Bentley -> Microstation connect 
Bentley -> VIEW 

 References:
https://www.bentley.com/en/common-vulnerability-exposure/BE-2021-0005
https://www.zerodayinitiative.com/advisories/ZDI-22-152/

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