CVE-2020-1672 (GCVE-0-2020-1672)

Vulnerability from cvelistv5 – Published: 2020-10-16 20:31 – Updated: 2024-09-16 19:15
VLAI
Title
Junos OS: jdhcpd process crash when processing a specific DHCPDv6 packet in DHCPv6 relay configuration.
Summary
On Juniper Networks Junos OS devices configured with DHCPv6 relay enabled, receipt of a specific DHCPv6 packet might crash the jdhcpd daemon. The jdhcpd daemon automatically restarts without intervention, but continuous receipt of specific crafted DHCP messages will repeatedly crash jdhcpd, leading to an extended Denial of Service (DoS) condition. Only DHCPv6 packet can trigger this issue. DHCPv4 packet cannot trigger this issue. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • Denial of Service (DoS)
  • CWE-20 - Improper Input Validation
Assigner
juniper CNA
References
URL Tags
https://kb.juniper.net/JSA11069 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 17.3 , < 17.3R3-S9 (custom)
Affected: 17.4 , < 17.4R2-S11, 17.4R3-S2, 17.4R3-S3 (custom)
Affected: 18.1 , < 18.1R3-S11 (custom)
Affected: 18.2 , < 18.2R3-S5 (custom)
Affected: 18.2X75 , < 18.2X75-D34, 18.2X75-D65 (custom)
Affected: 18.3 , < 18.3R2-S4, 18.3R3-S3 (custom)
Affected: 18.4 , < 18.4R2-S5, 18.4R3-S4 (custom)
Affected: 19.1 , < 19.1R2-S2, 19.1R3-S2 (custom)
Affected: 19.2 , < 19.2R1-S5, 19.2R2-S1, 19.2R3 (custom)
Affected: 19.3 , < 19.3R2-S4, 19.3R2-S4, 19.3R3 (custom)
Affected: 19.4 , < 19.4R1-S3, 19.4R2-S1, 19.4R3 (custom)
Affected: 20.1 , < 20.1R1-S3, 20.1R2 (custom)
Create a notification for this product.
Date Public
2020-10-14 00:00
Show details on NVD website
To clipboard 

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