CVE-2020-16123

An Ubuntu-specific patch in PulseAudio created a race condition where the snap policy module would fail to identify a client connection from a snap as coming from a snap if SCM_CREDENTIALS were missing, allowing the snap to connect to PulseAudio without proper confinement. This could be exploited by an attacker to expose sensitive information. Fixed in 1:13.99.3-1ubuntu2, 1:13.99.2-1ubuntu2.1, 1:13.99.1-1ubuntu3.8, 1:11.1-1ubuntu7.11, and 1:8.0-0ubuntu3.15.
References
Link Resource
https://launchpad.net/bugs/1895928 Exploit Issue Tracking Third Party Advisory
https://ubuntu.com/USN-4640-1 Patch Third Party Advisory
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Configurations

Configuration 1 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.10:*:*:*:*:*:*:*

Information

Published : 2020-12-03 16:15

Updated : 2020-12-10 06:52


NVD link : CVE-2020-16123

Mitre link : CVE-2020-16123


JSON object : View

CWE
CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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Products Affected

canonical

  • ubuntu_linux