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

Attachment: OpenPGP_signature.asc
Description: OpenPGP digital signature



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