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Oracle Linux: (CVE-2022-1924) ELSA-2023-2260: gstreamer1-plugins-good security update

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Oracle Linux: (CVE-2022-1924) ELSA-2023-2260: gstreamer1-plugins-good security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/19/2022
Created
05/18/2023
Added
05/17/2023
Modified
05/17/2023

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)

  • oracle-linux-upgrade-gstreamer1-plugins-good
  • oracle-linux-upgrade-gstreamer1-plugins-good-gtk

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