USN-4348-1: Mailman vulnerabilities
mailman vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Mailman.
Software Description
- mailman – Web-based mailing list manager (legacy branch)
Details
It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this to issue execute arbitrary scripts
or HTML. (CVE-2018-0618)
It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to display arbitrary text
on a web page. (CVE-2018-13796)
It was discovered that Mailman incorrectly handled certain files.
An attacker could possibly use this issue to execute arbitrary code.
(CVE-2020-12137)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- mailman – 1:2.1.26-1ubuntu0.1
- Ubuntu 16.04 LTS
- mailman – 1:2.1.20-1ubuntu0.4
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
Source: USN-4348-1: Mailman vulnerabilities
