Use of a broken or risky cryptographic algorithm in Dnsmasq - CVE-2020-25685
Published: January 20, 2021 / Updated: January 24, 2021
Vulnerability identifier: #VU49844
CSH Severity: Low
CVSS v4.0: 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-2020-25685
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: GNU
Affected software:
Dnsmasq
Dnsmasq
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to a lack of query resource name (RRNAME) checks in the "reply_query" function. A remote attacker can perform a DNS cache poisoning attack.
How to mitigate CVE-2020-25685
Install updates from vendor's website.