#VU49843 Insufficient verification of data authenticity in Dnsmasq - CVE-2020-25684
Published: January 20, 2021 / Updated: January 24, 2021
Vulnerability identifier: #VU49843
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-25684
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Dnsmasq
Dnsmasq
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a lack of proper address/port check within the "reply_query" function. A remote attacker can perform a DNS cache poisoning attack.
Remediation
Install updates from vendor's website.