Vulnerability · Published Aug 15, 2022 · Assigned by mitre
CVE-2022-34294
Critical 9.8
In plain English
A critical-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 80% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.9%top 20.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 (as reported)
References
- https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner x_refsource_MISC
- https://github.com/fwdillema/totd x_refsource_MISC
- https://www.blackhat.com/presentations/bh-jp-08/bh-jp-08-Kaminsky/BlackHat-Japan-08-Kaminsky-DNS08-BlackOps.pdf x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2022/08/14/2 x_refsource_MISC