[USN-4519-1] PulseAudio vulnerability
Avital Ostromich
avital.ostromich at canonical.com
Thu Sep 17 23:11:20 UTC 2020
==========================================================================
Ubuntu Security Notice USN-4519-1
September 17, 2020
pulseaudio vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary:
PulseAudio could be made to crash or run programs as your login if it
received specially crafted input.
Software Description:
- pulseaudio: PulseAudio sound server
Details:
Ratchanan Srirattanamet discovered that an Ubuntu-specific patch caused
PulseAudio to incorrectly handle memory under certain error conditions in the
Bluez 5 module. An attacker could use this issue to cause PulseAudio to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2020-15710)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 LTS:
libpulse-mainloop-glib0 1:8.0-0ubuntu3.14
libpulse0 1:8.0-0ubuntu3.14
pulseaudio 1:8.0-0ubuntu3.14
pulseaudio-module-bluetooth 1:8.0-0ubuntu3.14
pulseaudio-utils 1:8.0-0ubuntu3.14
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4519-1
CVE-2020-15710
Package Information:
https://launchpad.net/ubuntu/+source/pulseaudio/1:8.0-0ubuntu3.14
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