QID 43963

Date Published: 2023-01-30

QID 43963: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA70204)

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

An Improper Validation of Array Index vulnerability in the SIP ALG of Juniper Networks Junos OS on SRX 5000 Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

This issue affects:
Juniper Networks Junos OS on QFX5000 series.
20.4R2 versions prior to 20.4R3-S5
21.1 versions prior to 21.1R3-S4
21.2 versions prior to 21.2R3-S3
21.3 versions prior to 21.3R3-S3
21.4 versions prior to 21.4R3-S2
22.1 versions prior to 22.1R2-S2, 22.1R3
22.2 versions prior to 22.2R3
22.3 versions prior to 22.3R1-S1, 22.3R2.

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

allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 3.3 severity.

Solution

The vendor has released fixes.
The following software releases have been updated to resolve this specific issue:
For QFX5000 Series: 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S3, 21.4R3-S2, 22.1R2-S2, 22.1R3, 22.2R3, 22.3R1-S1, 22.3R2, 22.4R1 and all subsequent releases.
For more information please visit JSA70204.

Vendor References

JSA70204 - kb.juniper.net/JSA70204

CVEs related to QID 43963

CVE-2023-22408 |

Software Advisories

Advisory ID	Software	Component	Link
JSA70204			kb.juniper.net/JSA70204

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