National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-19794 Detail

Current Description

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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
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

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/coredns/coredns/issues/3519 Issue Tracking Third Party Advisory
https://github.com/coredns/coredns/issues/3547 Third Party Advisory
https://github.com/miekg/dns/compare/v1.1.24...v1.1.25 Release Notes Third Party Advisory
https://github.com/miekg/dns/issues/1043 Exploit Issue Tracking Third Party Advisory
https://github.com/miekg/dns/pull/1044 Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:miekg-dns_project:miekg-dns:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
1.1.25


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-19794
NVD Published Date:
12/13/2019
NVD Last Modified:
01/02/2020