[USN-6790-1] amavisd-new vulnerability

-----BEGIN PGP SIGNATURE-----
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=+fWs
-----END PGP SIGNATURE-----
==========================================================================
Ubuntu Security Notice USN-6790-1
May 28, 2024

amavisd-new vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

amavisd-new could be made to bypass security measures.

Software Description:
- amavisd-new: Interface between MTA and virus scanner/content filters

Details:

It was discovered that amavisd-new incorrectly handled certain MIME email
messages with multiple boundary parameters. A remote attacker could
possibly use this issue to bypass checks for banned files or malware.

Update instructions:

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

Ubuntu 24.04 LTS
amavisd-new 1:2.13.0-3ubuntu2

Ubuntu 23.10
amavisd-new 1:2.13.0-3ubuntu1.1

Ubuntu 22.04 LTS
amavisd-new 1:2.12.2-1ubuntu1.1

Ubuntu 20.04 LTS
amavisd-new 1:2.11.0-6.1ubuntu1.1

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

References:
https://ubuntu.com/security/notices/USN-6790-1
CVE-2024-28054

Package Information:
https://launchpad.net/ubuntu/+source/amavisd-new/1:2.13.0-3ubuntu2
https://launchpad.net/ubuntu/+source/amavisd-new/1:2.13.0-3ubuntu1.1
https://launchpad.net/ubuntu/+source/amavisd-new/1:2.12.2-1ubuntu1.1
https://launchpad.net/ubuntu/+source/amavisd-new/1:2.11.0-6.1ubuntu1.1