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AUSCERT External Security Bulletin Redistribution
ESB-2021.2927
USN-5054-1: uWSGI vulnerability
31 August 2021
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AusCERT Security Bulletin Summary
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Product: uWSGI
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-11984
Reference: ESB-2020.3024
ESB-2020.2988
ESB-2020.2961
ESB-2020.2735
Original Bulletin:
https://ubuntu.com/security/notices/USN-5054-1
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USN-5054-1: uWSGI vulnerability
30 August 2021
uWSGI could be made to crash if it received specially crafted
input.
Releases
o Ubuntu 18.04 LTS
Packages
o uwsgi - fast, self-healing application container server
Details
Felix Wilhelm discovered a buffer overflow flaw in the mod_proxy_uwsgi module.
An attacker could use this vulnerability to provoke an information disclosure
or potentially remote code execution.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04
o libapache2-mod-uwsgi - 2.0.15-10.2ubuntu2.2
o uwsgi - 2.0.15-10.2ubuntu2.2
o libapache2-mod-proxy-uwsgi - 2.0.15-10.2ubuntu2.2
o libapache2-mod-ruwsgi - 2.0.15-10.2ubuntu2.2
o uwsgi-core - 2.0.15-10.2ubuntu2.2
In general, a standard system update will make all the necessary changes.
References
o CVE-2020-11984
Related notices
o USN-4458-1 : libapache2-mod-proxy-uwsgi, apache2-ssl-dev, apache2-bin,
apache2-data, apache2-suexec-custom, apache2-suexec-pristine, apache2-dev,
apache2, libapache2-mod-md, apache2-utils, apache2-doc
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