Use-after-free in gst-plugins-bad1 - CVE-2017-5843

 

Use-after-free in gst-plugins-bad1 - CVE-2017-5843

Published: February 9, 2017 / Updated: July 28, 2020


Vulnerability identifier: #VU32111
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-5843
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Multiple use-after-free vulnerabilities in the (1) gst_mini_object_unref, (2) gst_tag_list_unref, and (3) gst_mxf_demux_update_essence_tracks functions in GStreamer before 1.10.3 allow remote attackers to cause a denial of service (crash) via vectors involving stream tags, as demonstrated by 02785736.mxf.


Affected software

gst-plugins-bad1
Arch Linux
Fedora
gst-plugins-bad1 (Alpine package)
mingw-gstreamer1-plugins-bad-free
gst-editing-services
gstreamer1
gstreamer1-plugin-mpg123
gstreamer1-plugins-bad-free
gstreamer1-plugins-base
gstreamer1-plugins-good
gstreamer1-rtsp-server
gstreamer1-vaapi
python-gstreamer1

How to mitigate CVE-2017-5843

Install update from vendor's website.

gst-plugins-bad1 (Alpine package) - update to 1.8.3-r0
mingw-gstreamer1-plugins-bad-free - addressed in versions 1.10.3-1.fc25, 1.11.1-1.fc25
gst-editing-services - update to 1.12.0-1.fc26
gstreamer1 - update to 1.12.0-1.fc26
gstreamer1-plugin-mpg123 - update to 1.12.0-1.fc26
gstreamer1-plugins-bad-free - update to 1.12.0-1.fc26
gstreamer1-plugins-base - update to 1.12.0-1.fc26
gstreamer1-plugins-good - update to 1.12.0-1.fc26
gstreamer1-rtsp-server - update to 1.12.0-1.fc26
gstreamer1-vaapi - update to 1.12.0-1.fc26
python-gstreamer1 - update to 1.12.0-1.fc26

External References

Related Security Bulletins