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AUSCERT External Security Bulletin Redistribution
ESB-2020.2231
USN-4406-1: Mailman vulnerability
30 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: mailman
Publisher: Ubuntu
Operating System: Ubuntu
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Modify Arbitrary Files -- Remote with User Interaction
Cross-site Scripting -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2020-15011
Original Bulletin:
https://usn.ubuntu.com/4406-1/
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running check for an updated version of the software for their
operating system.
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USN-4406-1: Mailman vulnerability
29 June 2020
mailman vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
Mailman could be made to inject arbitrary content in the login page if it
received a specially crafted input.
Software Description
o mailman - Web-based mailing list manager (legacy branch)
Details
It was discovered that Mailman incorrectly handled certain inputs. An attacker
could possibly use this issue to inject arbitrary content in the login page.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 18.04 LTS
mailman - 1:2.1.26-1ubuntu0.3
Ubuntu 16.04 LTS
mailman - 1:2.1.20-1ubuntu0.6
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-2020-15011
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The University of Queensland
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