CVE Vulnerability

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.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/miekg/dns/issues/1043 Exploit Issue Tracking
https://github.com/coredns/coredns/issues/3519 Issue Tracking 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/pull/1044 Patch Third Party Advisory
https://github.com/coredns/coredns/issues/3547 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:miekg-dns_project:miekg-dns:*:*:*:*:*:*:*:*
Information

Published : 2019-12-13 10:15

Updated : 2020-01-02 05:36

NVD link : CVE-2019-19794

Mitre link : CVE-2019-19794

Products Affected
No products.
CWE
CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)