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CVE-2022-1922

Status Candidate

Overview

DOS / potential heap overwrite in mkv demuxing using zlib decompression. Integer overflow in matroskademux element in gst_matroska_decompress_data 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.

Related Files

Red Hat Security Advisory 2023-2260-01
Posted May 9, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-2260-01 - GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat
advisories | CVE-2022-1920, CVE-2022-1921, CVE-2022-1922, CVE-2022-1923, CVE-2022-1924, CVE-2022-1925, CVE-2022-2122
SHA-256 | e9ee9e0d3387bf6c64581b5f6b650acff2077673b786cb5376c2f4dc863e5546
Download | Favorite | View
Debian Security Advisory 5204-1
Posted Aug 28, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5204-1 - Adam Doupe discovered multiple vulnerabilities in the Gstreamer plugins to demux Mastroska and AVI files which could result in denial of service or the execution of arbitrary code.

tags | advisory, denial of service, arbitrary, vulnerability
systems | linux, debian
advisories | CVE-2022-1920, CVE-2022-1921, CVE-2022-1922, CVE-2022-1923, CVE-2022-1924, CVE-2022-1925, CVE-2022-2122
SHA-256 | b555cdccfe1de5cbb4b4bbecdeba81f5ea861bdfa4844dfb17d59142aedddaab
Download | Favorite | View
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