QID 43927

Date Published: 2022-10-20

QID 43927: Juniper Network Operating System (Junos OS) Denial of Service (DoS) Vulnerability (JSA69713)

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

A Missing Release of Memory after Effective Lifetime vulnerability in the kernel of Juniper Networks Junos OS allows an unauthenticated network based attacker to cause a Denial of Service (DoS).

Affected Junos OS versions:
21.2 versions prior to 21.2R3
21.3 versions prior to 21.3R2-S1, 21.3R3
21.4 versions prior to 21.4R1-S2, 21.4R2

This issue does not affect Juniper Networks Junos OS versions prior to 21.2R1.

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: 21.2R3, 21.3R2-S1, 21.3R3, 21.4R1-S2, 21.4R2, 22.1R1, and all subsequent releases. Please refer JSA69713

advisory for further information.

Vendor References

JSA69713 - kb.juniper.net/JSA69713

CVEs related to QID 43927

CVE-2022-22209 |

Software Advisories

Advisory ID	Software	Component	Link
JSA69713			kb.juniper.net/JSA69713

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