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Ubuntu 7370-1: SmartDNS Security Advisory Updates

ubuntu
Calendar Grey March 25, 2025
Dist Ubuntu Esm H88
Multiple security flaws affecting SmartDNS in Ubuntu could lead to remote code execution or service disruptions. Update now!
Several security issues were fixed in SmartDNS.

Summary

Several security issues were fixed in SmartDNS.

Software Description:

- smartdns: local DNS server to obtain the fastest IP for the best experience

Details:

It was discovered that SmartDNS did not correctly align certain objects in

memory, leading to undefined behaviour. An attacker could possibly use this

issue to cause a denial of service or execute arbitrary code. This issue

only affected Ubuntu 22.04 LTS. (CVE-2024-24198, CVE-2024-24199)

It was discovered that SmartDNS did not correctly handle certain inputs,

which could lead to an integer overflow. A remote attacker could possibly

use this issue to cause a denial of service. This issue only affected

Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-42643)

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu integer overflow SmartDNS

Update Instructions

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

Ubuntu 24.10
   smartdns                        46+dfsg-1ubuntu0.1

Ubuntu 24.04 LTS
   smartdns                        45+dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   smartdns                        35+dfsg-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7370-1

  CVE-2024-24198, CVE-2024-24199, CVE-2024-42643

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7370-1

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu integer overflow SmartDNS

Package Information

  https://launchpad.net/ubuntu/+source/smartdns/46+dfsg-1ubuntu0.1

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