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Juniper Junos OS: 2020-10 Security Bulletin: Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash (JSA11068) (CVE-2020-1671)

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Juniper Junos OS: 2020-10 Security Bulletin: Junos OS: Receipt of malformed DHCPv6 packets causes jdhcpd to crash (JSA11068) (CVE-2020-1671)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
10/15/2020
Created
10/16/2020
Added
10/15/2020
Modified
03/21/2022

Description

On Juniper Networks Junos OS platforms configured as DHCPv6 local server or DHCPv6 Relay Agent, Juniper Networks Dynamic Host Configuration Protocol Daemon (JDHCPD) process might crash with a core dump if a malformed DHCPv6 packet is received, resulting with the restart of the daemon. This issue only affects DHCPv6, it does not affect DHCPv4. This issue affects: Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.2X75 versions prior to 18.2X75-D65; 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 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R3; 19.2 version 19.2R2 and later versions; 19.3 versions prior to 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2; This issue does not affect Juniper Networks Junos OS prior to 17.4R1.

Solution(s)

  • juniper-junos-os-upgrade-latest

References

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