CVE-2022-33989
MEDIUM
5.3
CVSS Score
Published: August 15, 2022 at 12:10 PM UTC
Updated: June 17, 2026 at 04:49 AM UTC
1 product affected across 1 vendorDproxy Nexgen
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Severity
MEDIUM5.3
Exploit prediction
EPSS 1%
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (3)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://sourceforge.net/projects/dproxy/x_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2022/08/14/3x_refsource_MISCThird Party Advisory
Source: [email protected]
https://www.usenix.org/conference/usenixsecurity22/presentation/jeitnerCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-331
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