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Ubuntu: USN-5555-1 (CVE-2022-1924): GStreamer Good Plugins vulnerabilities

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Ubuntu: USN-5555-1 (CVE-2022-1924): GStreamer Good Plugins vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/19/2022
Created
08/29/2022
Added
08/09/2022
Modified
11/15/2024

Description

DOS / potential heap overwrite in mkv demuxing using lzo decompression. Integer overflow in matroskademux element in lzo decompression function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite.

Solution(s)

  • ubuntu-pro-upgrade-gstreamer1-0-plugins-good

References

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