What is the CVSS score of CVE-2019-19794?

CVE-2019-19794 has a CVSS 3.1 base score of 5.9 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 2.1%.

Is there a public PoC exploit available for CVE-2019-19794?

Yes, a public proof-of-concept exploit is available for CVE-2019-19794. Prioritise patching immediately. EPSS: 2.1%.

Is there a patch available for CVE-2019-19794?

Yes, a patch is available for CVE-2019-19794. Update the affected software to the latest version immediately.

Miekg Dns CVE-2019-19794

MEDIUM

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CWE-338)

2019-12-13 cve@mitre.org

Information Disclosure Miekg Dns

5.9

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.9 MEDIUM

AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Dec 13, 2019 - 22:15 nvd

MEDIUM 5.9

DescriptionNVD

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.

AnalysisAI

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. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-338. 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. Affected products include: Miekg-Dns Project Miekg-Dns. Version information: before 1.1.25.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.