CVE-2022-34294 Information

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.

Reference

https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner https://www.openwall.com/lists/oss-security/2022/08/14/2 https://github.com/fwdillema/totd https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf