QID 44147

Date Published: 2024-01-12

QID 44147: Juniper Network Operating System (Junos OS) J-Web Vulnerability (JSA75729)

An Out-of-bounds Write vulnerability in J-Web of Juniper Networks Junos OS SRX Series and EX Series allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS), or Remote Code Execution (RCE) and obtain root privileges on the device.

These issues affects Juniper Networks:
Junos OS:
Junos OS versions earlier than 20.4R3-S9;
Junos OS 21.2 versions earlier than 21.2R3-S7;
Junos OS 21.3 versions earlier than 21.3R3-S5;
Junos OS 21.4 versions earlier than 21.4R3-S5;
Junos OS 22.1 versions earlier than 22.1R3-S4;
Junos OS 22.2 versions earlier than 22.2R3-S3;
Junos OS 22.3 versions earlier than 22.3R3-S2;
Junos OS 22.4 versions earlier than 22.4R2-S2, 22.4R3.

QID detection logic: (Authenticated)

It checks for vulnerable Junos OS version.

Repeated execution by the attacker will create a sustained Denial of Service (DoS) condition.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

Vendor has released patch addressing the vulnerabilities, for more information please refer JSA75729

Vendor References

JSA75729 - supportportal.juniper.net/JSA75729

CVEs related to QID 44147

CVE-2024-21591 |

Software Advisories

Advisory ID	Software	Component	Link
JSA75729			supportportal.juniper.net/JSA73140

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