Insufficient verification of data authenticity in dproxy - CVE-2022-33988

 

Insufficient verification of data authenticity in dproxy - CVE-2022-33988

Published: August 16, 2022


Vulnerability identifier: #VU66536
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-2022-33988
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: dproxy
Affected software:
dproxy

Detailed vulnerability description

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.


How to mitigate CVE-2022-33988

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources