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AUSCERT External Security Bulletin Redistribution
ESB-2020.0130
USN-4235-1: nginx vulnerability
14 January 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: nginx
Publisher: Ubuntu
Operating System: Ubuntu
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Modify Arbitrary Files -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-20372
Original Bulletin:
https://usn.ubuntu.com/4235-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running nginx check for an updated version of the software for their
operating system.
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USN-4235-1: nginx vulnerability
13 January 2020
nginx 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
nginx could be made to expose sensitive information over the network.
Software Description
o nginx - small, powerful, scalable web/proxy server
Details
Bert JW Regeer and Francisco Oca Gonzalez discovered that nginx incorrectly
handled certain error_page configurations. A remote attacker could possibly use
this issue to perform HTTP request smuggling attacks and access resources
contrary to expectations.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 19.10
nginx-common - 1.16.1-0ubuntu2.1
nginx-core - 1.16.1-0ubuntu2.1
nginx-extras - 1.16.1-0ubuntu2.1
nginx-full - 1.16.1-0ubuntu2.1
nginx-light - 1.16.1-0ubuntu2.1
Ubuntu 19.04
nginx-common - 1.15.9-0ubuntu1.2
nginx-core - 1.15.9-0ubuntu1.2
nginx-extras - 1.15.9-0ubuntu1.2
nginx-full - 1.15.9-0ubuntu1.2
nginx-light - 1.15.9-0ubuntu1.2
Ubuntu 18.04 LTS
nginx-common - 1.14.0-0ubuntu1.7
nginx-core - 1.14.0-0ubuntu1.7
nginx-extras - 1.14.0-0ubuntu1.7
nginx-full - 1.14.0-0ubuntu1.7
nginx-light - 1.14.0-0ubuntu1.7
Ubuntu 16.04 LTS
nginx-common - 1.10.3-0ubuntu0.16.04.5
nginx-core - 1.10.3-0ubuntu0.16.04.5
nginx-extras - 1.10.3-0ubuntu0.16.04.5
nginx-full - 1.10.3-0ubuntu0.16.04.5
nginx-light - 1.10.3-0ubuntu0.16.04.5
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-2019-20372
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