SARA / Free Tools / CVE / CVE-2019-0037

CVE-2019-0037 — In a Dynamic Host Configuration Protocol version 6 (DHCPv6) environment, the jdh

In a Dynamic Host Configuration Protocol version 6 (DHCPv6) environment, the jdhcpd daemon may crash and restart upon receipt of certain DHCPv6 solicit messages received from a DHCPv6 client. By continuously sending the same crafted packet, an attacker can repeatedly crash the jd

CVSS
7.4 HIGH
EPSS
80.00% (top 26.10%)
CWE
Published
2019-04-10T20:13:51.375Z
Last modified
2024-09-16T18:59:07.314Z
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

01What is this vulnerability?

In a Dynamic Host Configuration Protocol version 6 (DHCPv6) environment, the jdhcpd daemon may crash and restart upon receipt of certain DHCPv6 solicit messages received from a DHCPv6 client. By continuously sending the same crafted packet, an attacker can repeatedly crash the jdhcpd process causing a sustained Denial of Service (DoS) to both IPv4 and IPv6 clients. Affected releases are Juniper…

02Affected products

VendorProductVersions
Juniper NetworksJunos OS15.1, 15.1X49, 15.1X53, 16.1, 16.2, 17.1, 17.2, 17.3, 17.4, 18.1, 18.2, 18.2X75, 18.3, all

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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