Input validation error in smartdns - CVE-2024-24199

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Main Vulnerability Database Vulnerabilities #VU105995

Input validation error in smartdns - CVE-2024-24199

Published: March 25, 2025


Vulnerability identifier: #VU105995
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-24199
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in src/dns.c. A remote attacker can pass specially crafted DNS response to the server and perform a denial of service (DoS) attack.


Affected software

smartdns
Ubuntu
smartdns (Ubuntu package)

How to mitigate CVE-2024-24199

Install updates from vendor's website.

smartdns - update to 45
smartdns (Ubuntu package) - addressed in versions Ubuntu Pro, 46+dfsg-1ubuntu0.1

External References

Related Security Bulletins