What’s Vulnerable › Vulnerabilities
CVE-2022-34294
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.8% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2022-08-15 · updated 2026-06-17
- Weakness: CWE-331
Description
totd 1.5.3 uses a fixed UDP source port 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
- Totd Project Totd: 1.5.3
References
- https://github.com/fwdillema/totd
- https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf
- https://www.openwall.com/lists/oss-security/2022/08/14/2
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
- https://github.com/fwdillema/totd
- https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf
- https://www.openwall.com/lists/oss-security/2022/08/14/2
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
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