PT-2021-19379 · Opentext · Opentext Brava! Desktop

Izobashi + 1 · Published 2021-06-02 · Updated 2023-10-03 · CVE-2021-31497

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenText Brava! Desktop version 16.6.3.84

Description This issue allows remote attackers to execute arbitrary code 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 processing of DWG files due to the lack of validating the existence of an object prior to performing operations on it. An attacker can leverage this to execute code in the context of the current process.

Recommendations For OpenText Brava! Desktop version 16.6.3.84, consider disabling the processing of DWG files until a patch is available to prevent exploitation. Restrict access to potentially malicious pages or files to minimize the risk of attack. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-31497

ZDI-21-637

Affected Products

Opentext Brava! Desktop

References · 7

• https://zerodayinitiative.com/advisories/ZDI-21-637 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31497 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31497 · Security Note
• https://cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&opec=1&order=1&trc=35&sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c · Note
• https://t.me/cibsecurity/25465 · Telegram Post
• https://opentext.com/products/brava · Note
• https://t.me/cvenotify/16364 · Telegram Post