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AUSCERT External Security Bulletin Redistribution
ESB-2019.4515
USN-4204-1: psutil vulnerability
29 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: python-psutil
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Execute Arbitrary Code/Commands -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2019-18874
Reference: ESB-2019.4473
ESB-2019.4367
Original Bulletin:
https://usn.ubuntu.com/4204-1/
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USN-4204-1: psutil vulnerability
28 November 2019
python-psutil vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 19.10
o Ubuntu 19.04
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
psutil could be made to crash or run programs.
Software Description
o python-psutil - module providing convenience functions for managing
processes
Details
Riccardo Schirone discovered that psutil incorrectly handled certain reference
counting operations. An attacker could use this issue to cause psutil to crash,
resulting in a denial of service, or possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.10
python-psutil - 5.5.1-1ubuntu0.19.10.1
python3-psutil - 5.5.1-1ubuntu0.19.10.1
Ubuntu 19.04
python-psutil - 5.5.1-1ubuntu0.19.04.1
python3-psutil - 5.5.1-1ubuntu0.19.04.1
Ubuntu 18.04 LTS
python-psutil - 5.4.2-1ubuntu0.1
python3-psutil - 5.4.2-1ubuntu0.1
Ubuntu 16.04 LTS
python-psutil - 3.4.2-1ubuntu0.1
python3-psutil - 3.4.2-1ubuntu0.1
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
In general, a standard system update will make all the necessary changes.
References
o CVE-2019-18874
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