SB2025032511 - Remote code execution in SmartDNS
Published: March 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2023-31470)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing DNS responses within the _dns_encode_domain() function in dns.c. A remote attacker can send a specially crafted DNS response to the server, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.