high
7.5
CWE
824
Advisory Published
Updated

CVE-2022-22198: Junos OS: MX MS-MPC or MS-MIC, or SRX SPC crashes if it receives a SIP message with a specific contact header format

First published: Thu Apr 14 2022(Updated: )

An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format. This issue affects Juniper Networks Junos OS on MX Series and SRX Series: 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions prior to 20.4R1.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper JUNOS=20.4-r1
Juniper JUNOS=20.4-r1-s1
Juniper JUNOS=20.4-r2
Juniper JUNOS=20.4-r2-s1
Juniper JUNOS=20.4-r2-s2
Juniper JUNOS=21.1-r1
Juniper JUNOS=21.1-r1-s1
Juniper JUNOS=21.1-r2
Juniper JUNOS=21.2-r1
Juniper JUNOS=21.2-r1-s1
Juniper JUNOS=21.2-r1-s2
Juniper Mx10
Juniper Mx10000
Juniper Mx10003
Juniper Mx10008
Juniper Mx10016
Juniper Mx104
Juniper Mx150
Juniper Mx2008
Juniper Mx2010
Juniper Mx2020
Juniper Mx204
Juniper Mx240
Juniper Mx40
Juniper Mx480
Juniper Mx5
Juniper Mx80
Juniper Mx960
Juniper Srx100
Juniper Srx110
Juniper Srx1400
Juniper Srx1500
Juniper Srx210
Juniper Srx220
Juniper Srx240
Juniper Srx240h2
Juniper Srx300
Juniper Srx320
Juniper Srx340
Juniper Srx3400
Juniper Srx345
Juniper Srx3600
Juniper Srx380
Juniper Srx4000
Juniper Srx4100
Juniper Srx4200
Juniper Srx4600
Juniper Srx5000
Juniper Srx5400
Juniper Srx550
Juniper Srx550 Hm
Juniper Srx550m
Juniper Srx5600
Juniper Srx5800
Juniper Srx650

Remedy

The following software releases have been updated to resolve this specific issue: 20.4R3, 21.1R2-S1, 21.1R3, 21.2R2, 21.3R1, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID for this vulnerability?

    The vulnerability ID for this vulnerability is CVE-2022-22198.

  • What is the severity of CVE-2022-22198?

    The severity of CVE-2022-22198 is high with a score of 7.5.

  • What is the affected software for CVE-2022-22198?

    The affected software for CVE-2022-22198 is Juniper Networks Junos OS versions 20.4-r1, 20.4-r1-s1, 20.4-r2, 20.4-r2-s1, 20.4-r2-s2, 21.1-r1, 21.1-r1-s1, 21.1-r2, 21.2-r1, 21.2-r1-s1, and 21.2-r1-s2.

  • What is the impact of this vulnerability?

    This vulnerability allows an unauthenticated network-based attacker to cause a Denial of Service (DoS) by sending specific packets, leading to a sustained DoS condition.

  • How can I fix CVE-2022-22198?

    To fix CVE-2022-22198, it is recommended to update to the latest version of Juniper Networks Junos OS.

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