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Junos OS: jdhcpd crash upon receipt of crafted DHCPv6 solicit message
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Junos OS: jdhcpd crash upon receipt of crafted DHCPv6 solicit message
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
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 Networks Junos OS: 15.1 versions prior to 15.1F6-S12, 15.1R7-S3; 15.1X49 versions prior to 15.1X49-D171, 15.1X49-D180; 15.1X53 versions prior to 15.1X53-D236, 15.1X53-D496; 16.1 versions prior to 16.1R3-S10, 16.1R7-S4; 16.2 versions prior to 16.2R2-S8; 17.1 versions prior to 17.1R2-S10, 17.1R3; 17.2 versions prior to 17.2R1-S8, 17.2R3-S1; 17.3 versions prior to 17.3R3-S3; 17.4 versions prior to 17.4R1-S6, 17.4R2-S3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S2; 18.2 versions prior to 18.2R2; 18.2X75 versions prior to 18.2X75-D30; 18.3 versions prior to 18.3R1-S2. This issue does not affect Junos OS releases prior to 15.1.
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CVSS V3 Severity and Metrics
General Information
Vendors
Products
- junos 15.1,
- junos 15.1x49-d140,
- junos 15.1x49-d150,
- junos 15.1x49-d160,
- junos 15.1x49-d30,
- junos 15.1x49-d60,
- junos 15.1x53-d50,
- junos 15.1x53-d51,
- junos 15.1x53-d52,
- junos 15.1x53-d55,
- junos 15.1x53-d57,
- junos 15.1x53-d58,
- junos 15.1x53-d59,
- junos 16,
- junos 16.2,
- junos 17.1,
- junos 17.2,
- junos 17.3,
- junos 17.4,
- junos 18.1,
- junos 18.2,
- junos 18.2x75-d10,
- junos 18.3
References
Advisory
Additional Info
Technical Analysis
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Report as Exploited in the Wild
CVE ID
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