Use After Free in Bentley Microstation
CVE-2023-44430
Bentley View SKP File Parsing Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Bentley View. 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 SKP files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-19067.
Vulnerability class: Use-After-Free
EPSS: 0.006 (47.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Bentley Microstation
- Bentley View — versions 10.17.0.34
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-44430?
- CVE-2023-44430 is a high-severity vulnerability in Bentley Microstation, classified under Use After Free. CVSS score: 7.8/10. Published 2024-05-03.
- How severe is CVE-2023-44430?
- High severity. CVSS v3 base score is 7.8 out of 10.