Out-of-bounds Read in Bentley Contextcapture
CVE-2021-34984
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Bentley ContextCapture 10.18.0.232. 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 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-14784.
Vulnerability class: Buffer Overflow
EPSS: 0.017 (74.8th 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 Contextcapture — versions 10.18.0.232
- Bentley Contextcapture_viewer
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- zdi-disclosures@trendmicro.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-34984?
- CVE-2021-34984 is a medium-severity vulnerability in Bentley Contextcapture, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2022-01-13.
- How severe is CVE-2021-34984?
- Medium severity. CVSS v3 base score is 5.5 out of 10.