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Vulnerability Details : CVE-2019-0031

Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the jdhcpd daemon, thus creating a Denial of Service (DoS) condition to clients requesting and not receiving IP addresses. Additionally, some clients which were previously holding IPv6 addresses will not have their IPv6 Identity Association (IA) address and network tables agreed upon by the jdhcpd daemon after the failover event occurs, which leads to more than one interface, and multiple IP addresses, being denied on the client. Affected releases are Juniper Networks Junos OS: 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2.
Publish Date : 2019-04-10 Last Update Date : 2019-04-12
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 399

- Products Affected By CVE-2019-0031

# Product Type Vendor Product Version Update Edition Language
1 OS Juniper Junos 17.4 R2-s3 Version Details Vulnerabilities
2 OS Juniper Junos 17.4 R1-s4 Version Details Vulnerabilities
3 OS Juniper Junos 17.4 Version Details Vulnerabilities
4 OS Juniper Junos 17.4 R2-s4 Version Details Vulnerabilities
5 OS Juniper Junos 17.4 R1-s6 Version Details Vulnerabilities
6 OS Juniper Junos 17.4 - Version Details Vulnerabilities
7 OS Juniper Junos 17.4 R1-s7 Version Details Vulnerabilities
8 OS Juniper Junos 17.4 R1 Version Details Vulnerabilities
9 OS Juniper Junos 17.4 R2 Version Details Vulnerabilities
10 OS Juniper Junos 17.4 R1-s1 Version Details Vulnerabilities
11 OS Juniper Junos 17.4 R2-s1 Version Details Vulnerabilities
12 OS Juniper Junos 17.4 R1-s2 Version Details Vulnerabilities
13 OS Juniper Junos 18.1 R2-s4 Version Details Vulnerabilities
14 OS Juniper Junos 18.1 R3-s2 Version Details Vulnerabilities
15 OS Juniper Junos 18.1 - Version Details Vulnerabilities
16 OS Juniper Junos 18.1 R3-s3 Version Details Vulnerabilities
17 OS Juniper Junos 18.1 R2 Version Details Vulnerabilities
18 OS Juniper Junos 18.1 R3-s4 Version Details Vulnerabilities
19 OS Juniper Junos 18.1 R2-s1 Version Details Vulnerabilities
20 OS Juniper Junos 18.1 R2-s2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Juniper Junos 20

- References For CVE-2019-0031
BID 107874 Juniper Junos CVE-2019-0031 Remote Denial of Service Vulnerability Release Date:2019-04-10 CONFIRM

- Metasploit Modules Related To CVE-2019-0031

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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