CVEvulnerability
CVE-2022-34294
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2022-08-15
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- 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 configurations
• totd project totd 1.5.3
Related
Weakness · CWE (1)
- CWE-331 Insufficient Entropy weakness
References
- https://github.com/fwdillema/totd Third Party Advisory
- https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/2 Exploit, Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner Technical Description, Third Party Advisory
- https://github.com/fwdillema/totd Third Party Advisory
- https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf Third Party Advisory
- https://www.openwall.com/lists/oss-security/2022/08/14/2 Exploit, Mailing List, Third Party Advisory
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner Technical Description, Third Party Advisory