PT-2021-19377 · Opentext · Opentext Brava! Desktop

Izobashi + 1 · Published 2021-06-02 · Updated 2023-10-03 · CVE-2021-31495

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 DXF files due to the lack of proper validation of user-supplied data, resulting in a memory corruption condition. 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 restricting the parsing of DXF files until a patch is available. As a temporary workaround, avoid opening DXF files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-119

CWE-787

Related Identifiers

CVE-2021-31495

ZDI-21-635

Affected Products

Opentext Brava! Desktop

References · 5

• https://zerodayinitiative.com/advisories/ZDI-21-635 · Security Note
• https://osv.dev/vulnerability/CVE-2021-31495 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31495 · 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