Ubuntu Security Notices
USN-5054-2

USN-5054-2: uWSGI vulnerability

Publication date

3 September 2021

Overview

uWSGI could be made to crash if it received specially crafted input.

Releases

16.04 LTS 14.04 LTS

Packages

uwsgi - fast, self-healing application container server

Details

USN-5054-1 fixed a vulnerability in uWSGI for Ubuntu 18.04 LTS. This update
provides the corresponding fixes for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

USN-5054-1 fixed a vulnerability in uWSGI for Ubuntu 18.04 LTS. This update
provides the corresponding fixes for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
16.04 xenial	libapache2-mod-uwsgi – 2.0.12-5ubuntu3.2+esm1
	uwsgi – 2.0.12-5ubuntu3.2+esm1
	libapache2-mod-proxy-uwsgi – 2.0.12-5ubuntu3.2+esm1
	libapache2-mod-ruwsgi – 2.0.12-5ubuntu3.2+esm1
	uwsgi-core – 2.0.12-5ubuntu3.2+esm1
14.04 trusty	libapache2-mod-uwsgi – 1.9.17.1-5ubuntu0.1+esm1
	uwsgi – 1.9.17.1-5ubuntu0.1+esm1
	libapache2-mod-proxy-uwsgi – 1.9.17.1-5ubuntu0.1+esm1
	libapache2-mod-ruwsgi – 1.9.17.1-5ubuntu0.1+esm1
	uwsgi-core – 1.9.17.1-5ubuntu0.1+esm1

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References

CVE-2020-11984

CVE-2020-11984