QID 44193

QID 44193: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA79180)

Juniper Junos is the network operating system used in Juniper Networks hardware systems.

An Improper Check for Unusual or Exceptional Conditions vulnerability in the Layer 2 Address Learning Daemon (l2ald) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).

This issue affects versions of Junos OS:
All versions earlier than 20.4R3-S10
21.2 versions earlier than 21.2R3-S7
21.4 versions earlier than 21.4R3-S5
22.1 versions earlier than 22.1R3-S4
22.2 versions earlier than 22.2R3-S3
22.3 versions earlier than 22.3R3-S1
22.4 versions earlier than 22.4R3
23.2 versions earlier than 23.2R1-S2, 23.2R2

QID detection logic: (Authenticated)
It checks for vulnerable Junos OS version.

QID detection logic: (Unauthenticated)
This QID checks SNMP banner for vulnerable version of JunOS.

Successful exploitation of this vulnerability an unauthenticated, adjacent attacker to cause a Denial of Service (DoS).

CVSS V3 rated as Medium - 5.9 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Vendor has released patch addressing the vulnerabilities, for more information please refer JSA79180

Vendor References

JSA79180 - supportportal.juniper.net/JSA79180

CVEs related to QID 44193

CVE-2024-30402 |

Software Advisories

Advisory ID	Software	Component	Link
JSA79180			supportportal.juniper.net/JSA79180

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