CVE-2022-22207

Junos OS: MX Series with MPC11: In a GNF / node slicing scenario gathering AF interface statistics can lead to a kernel crash

State: Published
Severity: 7.5 High
Published: Jul 20, 2022
Updated: Sep 16, 2024
Reserved: Dec 21, 2021

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Description

A Use After Free vulnerability in the Advanced Forwarding Toolkit (AFT) manager process (aftmand) of Juniper Networks Junos OS allows an unauthenticated networked attacker to cause a kernel crash due to intensive polling of Abstracted Fabric (AF) interface statistics and thereby a Denial of Service (DoS). Continued gathering of AF interface statistics will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on MX Series: 20.1 versions later than 20.1R1; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2; 21.2 versions prior to 21.2R2.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	juniper

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
Junos OSJuniper Networks	20.1R1 to before 20.1*Affected 20.2 to before 20.2R3-S5Affected 20.3 to before 20.3R3-S4Affected 20.4 to before 20.4R3Affected 21.1 to before 21.1R2Affected 21.2 to before 21.2R2Affected

References

https://kb.juniper.net/JSA69711

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