QID 44155

Date Published: 2024-01-18

QID 44155: Juniper Network Operating System (Junos OS) SRX 5000 Series Denial of Service (DoS) Vulnerability (JSA75733)

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

A Heap-based Buffer Overflow vulnerability in the Network Services Daemon (NSD) of Juniper Networks Junos OS allows authenticated, low privileged, local attacker to cause a Denial of Service (DoS).

On an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash.

This issue affects Juniper Networks Junos OS on SRX 5000 Series:
All versions earlier than 20.4R3-S6
21.1 versions earlier than 21.1R3-S5
21.2 versions earlier than 21.2R3-S4
21.3 versions earlier than 21.3R3-S3
21.4 versions earlier than 21.4R3-S3
22.1 versions earlier than 22.1R3-S1
22.2 versions earlier than 22.2R3
22.3 versions earlier than 22.3R2

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 - 5.5 severity.

CVSS V2 rated as Medium - 5.6 severity.

Solution

Vendor has released patch addressing the vulnerabilities, for more information please refer JSA75733

Vendor References

JSA75733 - supportportal.juniper.net/JSA75733

CVEs related to QID 44155

CVE-2024-21594 |

Software Advisories

Advisory ID	Software	Component	Link
JSA75733			supportportal.juniper.net/JSA75733

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