ID:2336 - Exploit for Heap-based buffer overflow in Dnsmasq - CVE-2017-14491

 
Main Vulnerability Database Exploits ID:2336 - Exploit for Heap-based buffer overflow in Dnsmasq - CVE-2017-14491

ID:2336 - Exploit for Heap-based buffer overflow in Dnsmasq - CVE-2017-14491

Published: April 7, 2020


Vulnerability identifier: #VU8660
Vulnerability risk: High
CVE-ID: CVE-2017-14491
CWE-ID: CWE-122
Exploitation vector: Remote access
Vulnerable software:
Dnsmasq

Link to public exploit:


Vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in dnsmasq.c file when processing DNS replies. A remote unauthenticated attacker can send specially crafted DNS packets to the affected service, trigger heap-based buffer overflow by 2 bytes and crash the service or execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Update to version 2.78.