ZDI-21-691: OpenText Brava! Desktop BMP File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of BMP files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Affected Software

1 affected component
OpenText Brava! Desktop

Event History

Mar 27, 2025
Advisory Published
via ZDI·05:44 AM

Frequently Asked Questions

1

What is the severity of ZDI-21-691?

The severity of ZDI-21-691 is high due to the potential for remote code execution.

2

How do I fix ZDI-21-691?

To fix ZDI-21-691, update OpenText Brava! Desktop to the latest version provided by the vendor.

3

What type of attack vector is associated with ZDI-21-691?

ZDI-21-691 is exploited through user interactions involving malicious pages or files.

4

Can ZDI-21-691 be exploited without user action?

No, ZDI-21-691 requires user interaction to be successfully exploited.

5

Which software products are affected by ZDI-21-691?

ZDI-21-691 affects the OpenText Brava! Desktop software.

Contact

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