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4 vulnerabilities by dproxy-nexgen_project
CVE-2022-33991 (GCVE-0-2022-33991)
Vulnerability from cvelistv5 – Published: 2022-08-15 12:10 – Updated: 2024-08-03 08:16
VLAI?
Summary
dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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CVE-2022-33990 (GCVE-0-2022-33990)
Vulnerability from cvelistv5 – Published: 2022-08-15 12:10 – Updated: 2024-08-03 08:16
VLAI?
Summary
Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen) leads to cache poisoning because domain names and their associated IP addresses are cached in their misinterpreted form.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2022-33989 (GCVE-0-2022-33989)
Vulnerability from cvelistv5 – Published: 2022-08-15 12:10 – Updated: 2024-08-03 08:16
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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CVE-2022-33988 (GCVE-0-2022-33988)
Vulnerability from cvelistv5 – Published: 2022-08-15 12:09 – Updated: 2024-08-03 08:16
VLAI?
Summary
dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
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