medium5.3
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Dproxy-Nexgen Project | Dproxy-Nexgen | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- 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