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CVE-2022-28306: ZDI-22-595

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.034. 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 OBJ files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this to execute code in the context of the current process. Was ZDI-CAN-16174.

CVE
#vulnerability#rce#buffer_overflow

April 12th, 2022

Bentley MicroStation CONNECT OBJ File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability****ZDI-22-595
ZDI-CAN-16174

CVE ID

CVE-2022-28306

CVSS SCORE

7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

Bentley

AFFECTED PRODUCTS

MicroStation CONNECT

VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT. 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 OBJ files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this to execute code in the context of the current process.

ADDITIONAL DETAILS

Bentley has issued an update to correct this vulnerability. More details can be found at:
https://www.bentley.com/en/common-vulnerability-exposure/be-2022-0008

DISCLOSURE TIMELINE

  • 2022-01-19 - Vulnerability reported to vendor
  • 2022-04-12 - Coordinated public release of advisory

CREDIT

Anonymous

BACK TO ADVISORIES

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CVE-2022-28305: BE-2022-0008 | Bentley Systems | Infrastructure Engineering Software Company

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley MicroStation CONNECT 10.16.02.034. 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 OBJ files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-16172.

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