QID 43936

Date Published: 2022-11-07

QID 43936: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA11267)

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

A vulnerability in the NETISR network queue functionality of Juniper Networks Junos OS kernel allows an attacker to cause a Denial of Service (DoS) by sending crafted genuine packets to a device.

Affected Junos versions:
17.3 version 17.3R3-S9 and later versions prior to 17.3R3-S12
17.4 version 17.4R3-S3 and later versions prior to 17.4R3-S5
18.1 version 18.1R3-S11 and later versions prior to 18.1R3-S13
18.2 version 18.2R3-S6 and later versions
18.3 version 18.3R3-S4 and later versions prior to 18.3R3-S5
18.4 version 18.4R3-S5 and later versions prior to 18.4R3-S9
19.1 version 19.1R3-S3 and later versions prior to 19.1R3-S7

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

Successful exploitation of this vulnerability may lead to an inoperable state of the affected system causing a DoS.

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5 severity.

Solution

The following software releases have been updated to resolve this specific issue: 17.3R3-S12, 17.4R3-S5, 18.1R3-S13, 18.3R3-S5, 18.4R3-S9, 19.1R3-S7, and all subsequent releases. Please refer JSA11267

Vendor References

JSA11267 - kb.juniper.net/JSA11267

CVEs related to QID 43936

CVE-2022-22159 |

Software Advisories

Advisory ID	Software	Component	Link
JSA11267			kb.juniper.net/JSA11267

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