CVE-2024-47540: GHSL-2024-197: GStreamer uses uninitialized stack memory in Matroska/WebM demuxer
First published: Wed Dec 11 2024(Updated: )
GStreamer is a library for constructing graphs of media-handling components. An uninitialized stack variable vulnerability has been identified in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c. When size < 4, the program calls gst_buffer_unmap with an uninitialized map variable. Then, in the gst_memory_unmap function, the program will attempt to unmap the buffer using the uninitialized map variable, causing a function pointer hijack, as it will jump to mem->allocator->mem_unmap_full or mem->allocator->mem_unmap. This vulnerability could allow an attacker to hijack the execution flow, potentially leading to code execution. This vulnerability is fixed in 1.24.10.
Credit: security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GStreamer | <1.24.10 | |
| debian/gst-plugins-good1.0 | <=1.18.4-2+deb11u2 | 1.22.0-5+deb12u2 1.24.12-1 |
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Reference Links
- https://securitylab.github.com/advisories/GHSL-2024-197_GStreamer/
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8057.patch
- https://gstreamer.freedesktop.org/security/sa-2024-0017.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-47540
- https://nvd.nist.gov/vuln/detail/CVE-2024-47540
- https://launchpad.net/bugs/cve/CVE-2024-47540
- https://security-tracker.debian.org/tracker/CVE-2024-47540
- https://ubuntu.com/security/CVE-2024-47540
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/3863
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/c0dceda8e969f74f2326539c1f0368c2fd7afcd7
- https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/a16851ebf34a9f9be4285b2c0d75fe7844354efe
- https://access.redhat.com/errata/RHSA-2024:11122
- https://access.redhat.com/errata/RHSA-2024:11119
- https://access.redhat.com/errata/RHSA-2024:11121
- https://access.redhat.com/errata/RHSA-2024:11148
- https://access.redhat.com/errata/RHSA-2024:11149
- https://access.redhat.com/errata/RHSA-2024:11298
- https://access.redhat.com/errata/RHSA-2024:11299
- https://access.redhat.com/errata/RHSA-2024:11344
- https://access.redhat.com/errata/RHSA-2024:11346
- https://access.redhat.com/errata/RHSA-2024:11348
- https://bugzilla.redhat.com/show_bug.cgi?id=2331719
Frequently Asked Questions
What is the severity of CVE-2024-47540?
CVE-2024-47540 has been classified as a high severity vulnerability due to the potential for exploitation through uninitialized stack variables.
How do I fix CVE-2024-47540?
To remediate CVE-2024-47540, update the GStreamer library to version 1.22.0-5+deb12u2 or later if using Debian.
What software is affected by CVE-2024-47540?
CVE-2024-47540 affects GStreamer versions below 1.24.11 and certain versions of the gst-plugins-good1.0 package.
What specific function is vulnerable in CVE-2024-47540?
The vulnerability in CVE-2024-47540 exists in the gst_matroska_demux_add_wvpk_header function within matroska-demux.c.
Can CVE-2024-47540 lead to remote code execution?
Yes, the exploitation of CVE-2024-47540 may lead to remote code execution due to improper handling of memory.
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