Input validation error in smartdns - CVE-2024-24198
Published: March 25, 2025
Vulnerability identifier: #VU105994
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-2024-24198
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/util.c. A remote attacker can pass specially crafted IP address in the DNS response to the server and perform a denial of service (DoS) attack.
Affected software
smartdns
Ubuntu
smartdns (Ubuntu package)
Ubuntu
smartdns (Ubuntu package)
How to mitigate CVE-2024-24198
Install updates from vendor's website.
smartdns - update to 46.1
smartdns (Ubuntu package) - addressed in versions Ubuntu Pro, 46+dfsg-1ubuntu0.1
smartdns (Ubuntu package) - addressed in versions Ubuntu Pro, 46+dfsg-1ubuntu0.1