high
7.5
CWE
20 1285
Advisory Published
Updated

CVE-2022-22201: SRX5000 Series with SPC3, SRX4000 Series, and vSRX: When PowerMode IPsec is configured, the PFE will crash upon receipt of a malformed ESP packet

First published: Tue Oct 18 2022(Updated: )

An Improper Validation of Specified Index, Position, or Offset in Input vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). On SRX5000 Series with SPC3, SRX4000 Series, and vSRX, when PowerMode IPsec is configured and a malformed ESP packet matching an established IPsec tunnel is received the PFE crashes. This issue affects Juniper Networks Junos OS on SRX5000 Series with SPC3, SRX4000 Series, and vSRX: All versions prior to 19.4R2-S6, 19.4R3-S7; 20.1 versions prior to 20.1R3-S3; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R1-S2, 21.3R2.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Junos<19.4
Juniper Junos=19.4
Juniper Junos=19.4-r1
Juniper Junos=19.4-r1-s1
Juniper Junos=19.4-r1-s2
Juniper Junos=19.4-r1-s3
Juniper Junos=19.4-r1-s4
Juniper Junos=19.4-r2
Juniper Junos=19.4-r2-s1
Juniper Junos=19.4-r2-s2
Juniper Junos=19.4-r2-s3
Juniper Junos=19.4-r2-s4
Juniper Junos=19.4-r2-s5
Juniper Junos=19.4-r3-s7
Juniper Junos=20.1
Juniper Junos=20.1-r1
Juniper Junos=20.1-r1-s1
Juniper Junos=20.1-r1-s2
Juniper Junos=20.1-r1-s3
Juniper Junos=20.1-r1-s4
Juniper Junos=20.1-r2
Juniper Junos=20.1-r2-s1
Juniper Junos=20.1-r2-s2
Juniper Junos=20.1-r3
Juniper Junos=20.1-r3-s1
Juniper Junos=20.1-r3-s2
Juniper Junos=20.2
Juniper Junos=20.2-r1
Juniper Junos=20.2-r1-s1
Juniper Junos=20.2-r1-s2
Juniper Junos=20.2-r1-s3
Juniper Junos=20.2-r2
Juniper Junos=20.2-r2-s1
Juniper Junos=20.2-r2-s2
Juniper Junos=20.2-r2-s3
Juniper Junos=20.2-r3
Juniper Junos=20.2-r3-s1
Juniper Junos=20.2-r3-s2
Juniper Junos=20.2-r3-s3
Juniper Junos=20.3
Juniper Junos=20.3-r1
Juniper Junos=20.3-r1-s1
Juniper Junos=20.3-r1-s2
Juniper Junos=20.3-r2
Juniper Junos=20.3-r2-s1
Juniper Junos=20.3-r3
Juniper Junos=20.3-r3-s1
Juniper Junos=20.3-r3-s2
Juniper Junos=20.4
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=20.4-r3
Juniper Junos=20.4-r3-s1
Juniper Junos=21.1
Juniper Junos=21.1-r1
Juniper Junos=21.1-r1-s1
Juniper Junos=21.1-r2
Juniper Junos=21.1-r2-s1
Juniper Junos=21.1-r2-s2
Juniper Junos=21.2
Juniper Junos=21.2-r1
Juniper Junos=21.2-r1-s1
Juniper Junos=21.2-r1-s2
Juniper Junos=21.2-r2
Juniper Junos=21.3-r1
Juniper Junos=21.3-r1-s1
Juniper Junos=21.3-r2
Juniper SRX4000
Juniper SRX4100
Juniper SRX4200
Juniper SRX4600
Junos OS SRX 5000 Series
Juniper SRX5400
Juniper SRX5600
Juniper SRX5800
Juniper vSRX

Remedy

The following software releases have been updated to resolve this specific issue: 19.4R2-S6, 19.4R3-S7, 20.1R3-S3, 20.2R3-S4, 20.3R3-S3, 20.4R3-S2, 21.1R3, 21.2R3, 21.3R1-S2, 21.3R2, 21.4R1, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2022-22201?

    CVE-2022-22201 has been classified with a severity level that indicates it allows a Denial of Service (DoS) by an unauthenticated attacker.

  • How do I fix CVE-2022-22201?

    You can address CVE-2022-22201 by upgrading to a patched version of Junos OS as specified in the vendor's notification.

  • What products are affected by CVE-2022-22201?

    CVE-2022-22201 affects multiple versions of Juniper Networks Junos OS, particularly on SRX5000 Series with SPC3 and SRX4000 Series devices.

  • Can CVE-2022-22201 be exploited remotely?

    Yes, CVE-2022-22201 allows an unauthenticated network-based attacker to exploit the vulnerability remotely.

  • What is the impact of CVE-2022-22201 on systems?

    The impact of CVE-2022-22201 results in a Denial of Service (DoS), causing affected systems to become unresponsive.

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