A Cyrus SASL security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, and 21.10.
==========================================================================
Ubuntu Security Notice USN-5301-1
February 22, 2022
cyrus-sasl2 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
Summary:
Cyrus SASL could run programs if it received specially crafted network
traffic.
Software Description:
- cyrus-sasl2: Cyrus Simple Authentication and Security Layer
Details:
It was discovered that the Cyrus SASL SQL plugin incorrectly handled SQL
input. A remote attacker could use this issue to execute arbitrary SQL
commands.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 21.10:
libsasl2-modules-sql 2.1.27+dfsg-2.1ubuntu0.1
Ubuntu 20.04 LTS:
libsasl2-modules-sql 2.1.27+dfsg-2ubuntu0.1
Ubuntu 18.04 LTS:
libsasl2-modules-sql 2.1.27~101-g0780600+dfsg-3ubuntu2.4
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5301-1
CVE-2022-24407
Package Information:
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27+dfsg-2.1ubuntu0.1
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27+dfsg-2ubuntu0.1
https://launchpad.net/ubuntu/+source/cyrus-sasl2/2.1.27~101-g0780600+dfsg-3ubuntu2.4
