==========================================================================
Ubuntu Security Notice USN-4442-1
July 28, 2020
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
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4442-1
CVE-2018-1000550, CVE-2018-1000671, CVE-2020-10936
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