QID 44163

Date Published: 2024-01-22

QID 44163: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA75735)

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

A Heap-based Buffer Overflow vulnerability in the Routing Protocol Daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).

Note: This issue only affects devices with NSR enabled. This issue requires an attacker to have an established BGP session to a system affected by the issue.

This issue affects all versions of Junos OS:
All versions earlier than 20.4R3-S9
21.2 versions earlier than 21.2R3-S7
21.3 versions earlier than 21.3R3-S5
21.4 versions earlier than 21.4R3-S5
22.1 versions earlier than 22.1R3-S4
22.2 versions earlier than 22.2R3-S2
22.3 versions earlier than 22.3R3-S1
22.4 versions earlier than 22.4R2-S2, 22.4R3
23.2 versions earlier than 23.2R1-S2, 23.2R2

QID detection logic: (Authenticated)

It checks for vulnerable Junos OS version.

Successful exploitation of this vulnerability by the attacker will create a sustained Denial of Service (DoS) condition.

CVSS V3 rated as Medium - 5.3 severity.

CVSS V2 rated as High - 6.1 severity.

Solution

Vendor has released patch addressing the vulnerabilities, for more information please refer JSA75735

Vendor References

JSA75735 - supportportal.juniper.net/JSA75735

CVEs related to QID 44163

CVE-2024-21596 |

Software Advisories

Advisory ID	Software	Component	Link
JSA75735			supportportal.juniper.net/JSA75735

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