[USN-5301-1] Cyrus SASL vulnerability

[Marc Deslauriers]

==========================================================================
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
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