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.

CVSS v3 5.9 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

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

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2019-12-13 22:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-19794

Mitre link : CVE-2019-19794

CVE.ORG link : CVE-2019-19794

JSON object : View

Products Affected

miekg-dns_project

miekg-dns

CWE

CWE-338

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

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