PT-2021-19360 · Opentext · Opentext Brava! Desktop

Rgod · Published 2021-06-02 · Updated 2023-10-03 · CVE-2021-31479

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 parsing of PDF files due to the lack of proper initialization of a pointer prior to accessing 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 PDF parsing functionality until a patch is available to prevent exploitation. Restrict access to malicious pages or files to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Access of Uninitialized Pointer

Weakness Enumeration

CWE-824

Related Identifiers

CVE-2021-31479

ZDI-21-619

Affected Products

Opentext Brava! Desktop

References · 6

• https://zerodayinitiative.com/advisories/ZDI-21-619 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31479 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31479 · Security Note
• https://opentext.com/products/brava · Note
• https://t.me/cvenotify/16366 · Telegram Post
• 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