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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
        ---------------------------------

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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