CVE-2019-0067

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)

Published Oct 9, 2019 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: 16.1R6-S2, 16.1R7, 16.2R2-S10, 17.1R3, 17.2R1, and all subsequent releases.


Vendor Workaround

There are no available workarounds for this issue.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2019-0874 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.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 16, 2024, 8:12 PM
Reserved
Oct 11, 2018, 12:00 AM
Status
Modified
Published
Oct 9, 2019, 8:15 PM
Modified
Jun 17, 2026, 2:07 AM