Vulnerability Details CVE-2022-33989
dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.1%
CVSS Severity
CVSS v3 Score 5.3
References
- https://sourceforge.net/projects/dproxy/
- https://www.openwall.com/lists/oss-security/2022/08/14/3
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
- https://sourceforge.net/projects/dproxy/
- https://www.openwall.com/lists/oss-security/2022/08/14/3
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
Products affected by CVE-2022-33989
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cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-