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Juniper Junos OS: 2019-10 Security Bulletin: Junos OS: Kernel crash (vmcore) upon receipt of a specific link-local IPv6 packet on devices configured with Multi-Chassis Link Aggregation Group (MC-LAG) (JSA10966) (CVE-2019-0067)

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Juniper Junos OS: 2019-10 Security Bulletin: Junos OS: Kernel crash (vmcore) upon receipt of a specific link-local IPv6 packet on devices configured with Multi-Chassis Link Aggregation Group (MC-LAG) (JSA10966) (CVE-2019-0067)

Severity
6
CVSS
(AV:A/AC:L/Au:N/C:N/I:N/A:C)
Published
10/10/2019
Created
10/12/2019
Added
10/10/2019
Modified
03/21/2022

Description

Receipt of a specific link-local IPv6 packet destined to the RE may cause the system to crash and restart (vmcore). By continuously sending a specially crafted IPv6 packet, an attacker can repeatedly crash the system causing a prolonged Denial of Service (DoS). This issue affects Juniper Networks Junos OS: 16.1 versions prior to 16.1R6-S2, 16.1R7; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R3. This issue does not affect Juniper Networks Junos OS version 15.1 and prior versions.

Solution(s)

  • juniper-junos-os-upgrade-latest

References

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