sympa vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 14.04 ESM

Summary

Several security issues were fixed in Sympa.

Software Description

* sympa - Modern mailing list manager

Details

Michael Kaczmarczik discovered that Sympa incorrectly handled HTTP
GET/POST requests. An attacker could possibly use this issue to
insert, edit or obtain sensitive information. (CVE-2018-1000550)

It was discovered that Sympa incorrectly handled URL parameters.
An attacker could possibly use this issue to perform XSS attacks.
(CVE-2018-1000671)

Nicolas Chatelain discovered that Sympa incorrectly handled
environment variables. An attacker could possibly use this issue
with a setuid binary and gain root privileges. (CVE-2020-10936)

Update instructions

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

Ubuntu 14.04 ESM
sympa - 6.1.17~dfsg-1ubuntu0.1~esm1

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

* CVE-2018-1000550
* CVE-2018-1000671
* CVE-2020-10936

--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)