PT-2021-19385 · Opentext · Opentext Brava! Desktop

Izobashi + 1 · Published 2021-06-02 · Updated 2023-10-03 · CVE-2021-31502

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 16.6.4.55

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 parsing of PDF 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 16.6.4.55, consider disabling the PDF parsing functionality until a patch is available to prevent exploitation. Restrict access to malicious files and websites to minimize the risk of attack.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-31502

ZDI-21-642

Affected Products

Opentext Brava! Desktop

References · 5

• https://osv.dev/vulnerability/CVE-2021-31502 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-21-642 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-31502 · Security Note
• https://opentext.com/products/brava · 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