Out-of-bounds Read in Bentley Microstation
CVE-2021-46616
This vulnerability allows remote attackers to disclose sensitive information 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 user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-15410.
Vulnerability class: Buffer Overflow
EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Bentley Microstation
- Bentley Microstation Connect — versions 10.16.0.80
- Bentley Microstation_connect
- Bentley View
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-46616?
- CVE-2021-46616 is a medium-severity vulnerability in Bentley Microstation, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-02-18.
- How severe is CVE-2021-46616?
- Medium severity. CVSS v3 base score is 5.5 out of 10.