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Ubuntu 24.04 LTS USN-6790-1 Critical Amavisd-New Bypass Issue

ubuntu
Calendar Grey May 28, 2024
Dist Ubuntu Esm H88
Critical flaw in Amavisd-new lets users evade malware scans on Ubuntu systems. Swift update necessary to bolster security protocols.
amavisd-new could be made to bypass security measures.

Summary

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.

Topics%20covered

Topics Covered

security advisory Ubuntu critical severity amavisd-new bypass issue

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

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6790-1

Topics%20covered

Topics Covered

security advisory Ubuntu critical severity amavisd-new bypass issue

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

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