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CVE-2019-6472— A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate

Quick assessment

Affected
ISC Kea
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ISC Kea DHCP是美国ISC公司的一款开源的DHCP（动态主机配置协议）服务器。 此条漏洞编号已分配，漏洞详情即将更新。

CVSS 6.5 · Medium EPSS 0.80% · P55

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2019-6472

Vulnerability Information
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Vulnerability Title
A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
Source: CVE Program / CVE List V5
Vulnerability Description
A packet containing a malformed DUID can cause the Kea DHCPv6 server process (kea-dhcp6) to exit due to an assertion failure. Versions affected: 1.4.0 to 1.5.0, 1.6.0-beta1, and 1.6.0-beta2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
ISC Kea DHCP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ISC Kea DHCP是美国ISC公司的一款开源的DHCP（动态主机配置协议）服务器。 此条漏洞编号已分配，漏洞详情即将更新。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ISC Kea 1.4.0 to 1.5.0 -

II. Public POCs for CVE-2019-6472

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III. Intelligence Information for CVE-2019-6472

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Other References for CVE-2019-6472 (1)

Same Patch Batch · ISC · 2019-10-16 · 3 CVEs total

CVE-2019-6473 6.5 MEDIUM A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate
CVE-2019-6474 5.7 MEDIUM A packet containing a malformed DUID can cause the kea-dhcp6 server to terminate

IV. Related Vulnerabilities

Same product: Kea
Same vendor: ISC

V. Comments for CVE-2019-6472

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