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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
dproxy-nexgen_projectdproxy-nexgen
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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