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CVE-2023-46814: VideoLAN Security Bulletin VLC 3.0.19

A binary hijacking vulnerability exists within the VideoLAN VLC media player before 3.0.19 on Windows. The uninstaller attempts to execute code with elevated privileges out of a standard user writable location. Standard users may use this to gain arbitrary code execution as SYSTEM.

CVE
#vulnerability#windows#git

Summary : Two vulnerabilities fixed in VLC media player Date : November 2023 Affected versions : VLC media player 3.0.18 and earlier ID : VideoLAN-SB-VLC-3019

Details

Fix potential arbitrary code execution with system priviledges on uninstallation on Windows (!4292, CVE-2023-46814)

Impact

If successful, a malicious third party could trigger an execution of an arbitrary binary on uninstallation of VLC with system priviledges.

We have not seen exploits performing code execution through this vulnerability.

Threat mitigation

Exploitation of this issue requires the user to explicitly uninstall VLC using the provided uninstaller.

Workarounds

Keep VLC installed until updated to version 3.0.19 or later.

Solution

VLC media player 3.0.19 addresses the issue.

Credits

The NSIS uninstaller vulnerability was reported by the Lockheed Martin Red Team (!4292, CVE-2023-46814).

Additional notes

VLC 3.0.19 also bumps some dependencies, notably zlib and vpx, following the publication of CVE-2022-37434 and CVE-2023-5217.

References

The VideoLAN project

http://www.videolan.org/

VLC official GIT repository

http://git.videolan.org/?p=vlc.git

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