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)

State: Published
Severity: 6.5 Medium
Published: Oct 9, 2019
Updated: Sep 16, 2024
Reserved: Oct 11, 2018

Read the record on cve.org

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
Junos OSJuniper Networks	15.1 and earlierNot affected 16.1 to before 16.1R6-S2, 16.1R7Affected 16.2 to before 16.2R2-S10Affected 17.1 to before 17.1R3Affected

References

https://kb.juniper.net/JSA10966

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.