Use of insufficiently random values in dproxy - CVE-2022-33989
Published: August 16, 2022
Vulnerability identifier: #VU66537
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-33989
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: dproxy
Affected software:
dproxy
dproxy
Detailed vulnerability description
The vulnerability allows a remote attacker to perform DNS cache poisoning attacks.
The vulnerability exists due to dproxy uses a static UDP source port, which is selected randomly only at boot time, in upstream queries sent to DNS resolvers. A remote attacker can conduct DNS cache-poisoning attacks.
How to mitigate CVE-2022-33989
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.