Insufficient verification of data authenticity in dproxy - CVE-2022-33988
Published: August 16, 2022
Vulnerability identifier: #VU66536
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2022-33988
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DNS cache poisoning attacks.
The vulnerability exists due to dproxy re-uses the DNS transaction id (TXID) value from client queries. A remote attacker with ability to send requests to DNS resolver can conduct DNS cache-poisoning attacks.
Affected software
dproxy
How to mitigate CVE-2022-33988
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.