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USN-5301-2: Cyrus SASL vulnerability

22 February 2022

Cyrus SASL could run programs if it received specially crafted network traffic.

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Releases

Packages

  • cyrus-sasl2 - Cyrus Simple Authentication and Security Layer

Details

USN-5301-1 fixed a vulnerability in Cyrus. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

Related notices

  • USN-5301-1: libsasl2-modules-gssapi-mit, libsasl2-dev, cyrus-sasl2-doc, libsasl2-modules-db, libsasl2-modules-sql, libsasl2-modules, libsasl2-modules-ldap, cyrus-sasl2, libsasl2-modules-otp, libsasl2-2, libsasl2-modules-gssapi-heimdal, sasl2-bin