Vulnerability in Miekg-Dns Project
CVE-2019-19794
The miekg Go DNS package before 1.1.25, as used in CoreDNS before 1.6.6 and other products, improperly generates random numbers because math/rand is used. The TXID becomes predictable, leading to response forgeries.
EPSS: 0.021 (79.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Miekg-dns_project Miekg-dns
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-19794?
- CVE-2019-19794 is a medium-severity vulnerability in Miekg-Dns Project, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 5.9/10. Published 2019-12-13.
- How severe is CVE-2019-19794?
- Medium severity. CVSS v3 base score is 5.9 out of 10.
- Is CVE-2019-19794 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.