Advisory Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of GoPro Player. 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 processing of MOV files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated structure. An attacker can leverage this vulnerability to execute code in the context of the current process.

This vulnerability is being disclosed publicly without a patch in accordance with the ZDI 120 day deadline.

02/08/21 - ZDI reported the vulnerability to the vendor
02/09/21 - The vendor confirmed receipt of the reports
02/11/21 - The vendor requested technical clarification
02/11/21 - ZDI provided additional evidence
03/01/21 - The vendor acknowledged the behavior of the reported issue
06/16/21 - ZDI requested an update
06/18/21 - The vendor communicated that the issue had not been fixed
06/21/21 - ZDI notified the vendor of the intention to publish this report as a 0-day advisory on 06/29/21
06/24/21 - The vendor indicated they were actively working on the fix and requested technical clarification
06/30/21 - ZDI provided additional evidence
07/01/21 - The vendor indicated fixes would be ready the following week.
07/08/21 - ZDI requested an update with no reply

-- Mitigation:
Given the nature of the vulnerability the only salient mitigation strategy is to restrict interaction with the application.

• 2021-02-15 - Vulnerability reported to vendor
• 2021-07-13 - Coordinated public release of advisory