PT-2021-20797 · Bentley · Bentley Contextcapture

Francis Provencher · Published 2021-11-30 · Updated 2022-01-20 · CVE-2021-34984

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions: Bentley ContextCapture version 10.18.0.232

Description: This issue allows remote attackers to disclose sensitive information on affected installations. User interaction is required, where the target must visit a malicious page or open a malicious file. The flaw exists within the parsing of OBJ files due to the lack of proper validation of user-supplied data, resulting in a read past the end of an allocated buffer. An attacker can leverage this, in conjunction with other issues, to execute arbitrary code in the context of the current process.

Recommendations: For version 10.18.0.232, consider disabling the OBJ file parsing functionality until a patch is available to prevent exploitation. Restrict access to malicious pages or files to minimize the risk of sensitive information disclosure. At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2021-34984

ZDI-21-1367

Affected Products

Bentley Contextcapture

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2021-34984 · Security Note
• https://bentley.com/en/common-vulnerability-exposure/be-2021-0001 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-1367 · Security Note
• https://osv.dev/vulnerability/CVE-2021-34984 · Vendor Advisory
• https://t.me/cvenotify/25457 · Telegram Post