medium
6.5
CWE
754
Advisory Published
Updated

CVE-2023-44196: Junos OS Evolved: PTX10003 Series: Packets which are not destined to the router can reach the RE

First published: Thu Oct 12 2023(Updated: )

An Improper Check for Unusual or Exceptional Conditions in the Packet Forwarding Engine (pfe) of Juniper Networks Junos OS Evolved on PTX10003 Series allows an unauthenticated adjacent attacker to cause an impact to the integrity of the system. When specific transit MPLS packets are received by the PFE, these packets are internally forwarded to the RE. This issue is a prerequisite for CVE-2023-44195. This issue affects Juniper Networks Junos OS Evolved: * All versions prior to 20.4R3-S8-EVO; * 21.1-EVO version 21.1R1-EVO and later; * 21.2-EVO versions prior to 21.2R3-S6-EVO; * 21.3-EVO version 21.3R1-EVO and later; * 21.4-EVO versions prior to 21.4R3-S3-EVO; * 22.1-EVO versions prior to 22.1R3-S4-EVO; * 22.2-EVO versions prior to 22.2R3-S3-EVO; * 22.3-EVO versions prior to 22.3R2-S2-EVO, 22.3R3-EVO; * 22.4-EVO versions prior to 22.4R2-EVO.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Networks Junos OS<20.4
Juniper Networks Junos OS=20.4-r1
Juniper Networks Junos OS=20.4-r1-s1
Juniper Networks Junos OS=20.4-r1-s2
Juniper Networks Junos OS=20.4-r2
Juniper Networks Junos OS=20.4-r2-s1
Juniper Networks Junos OS=20.4-r2-s2
Juniper Networks Junos OS=20.4-r2-s3
Juniper Networks Junos OS=20.4-r3
Juniper Networks Junos OS=20.4-r3-s1
Juniper Networks Junos OS=20.4-r3-s2
Juniper Networks Junos OS=20.4-r3-s3
Juniper Networks Junos OS=20.4-r3-s4
Juniper Networks Junos OS=20.4-r3-s5
Juniper Networks Junos OS=20.4-r3-s6
Juniper Networks Junos OS=20.4-r3-s7
Juniper Networks Junos OS=21.1-r1
Juniper Networks Junos OS=21.1-r1-s1
Juniper Networks Junos OS=21.1-r2
Juniper Networks Junos OS=21.1-r3
Juniper Networks Junos OS=21.1-r3-s1
Juniper Networks Junos OS=21.1-r3-s2
Juniper Networks Junos OS=21.1-r3-s3
Juniper Networks Junos OS=21.2
Juniper Networks Junos OS=21.2-r1
Juniper Networks Junos OS=21.2-r1-s1
Juniper Networks Junos OS=21.2-r1-s2
Juniper Networks Junos OS=21.2-r2
Juniper Networks Junos OS=21.2-r2-s1
Juniper Networks Junos OS=21.2-r2-s2
Juniper Networks Junos OS=21.2-r3
Juniper Networks Junos OS=21.2-r3-s1
Juniper Networks Junos OS=21.2-r3-s2
Juniper Networks Junos OS=21.2-r3-s3
Juniper Networks Junos OS=21.2-r3-s4
Juniper Networks Junos OS=21.2-r3-s5
Juniper Networks Junos OS=21.3-r1
Juniper Networks Junos OS=21.3-r1-s1
Juniper Networks Junos OS=21.3-r2
Juniper Networks Junos OS=21.3-r2-s1
Juniper Networks Junos OS=21.3-r2-s2
Juniper Networks Junos OS=21.3-r3
Juniper Networks Junos OS=21.3-r3-s1
Juniper Networks Junos OS=21.3-r3-s2
Juniper Networks Junos OS=21.3-r3-s3
Juniper Networks Junos OS=21.3-r3-s4
Juniper Networks Junos OS=21.4
Juniper Networks Junos OS=21.4-r1
Juniper Networks Junos OS=21.4-r1-s1
Juniper Networks Junos OS=21.4-r1-s2
Juniper Networks Junos OS=21.4-r2
Juniper Networks Junos OS=21.4-r2-s1
Juniper Networks Junos OS=21.4-r2-s2
Juniper Networks Junos OS=21.4-r3
Juniper Networks Junos OS=21.4-r3-s1
Juniper Networks Junos OS=21.4-r3-s2
Juniper Networks Junos OS=21.4-r3-s3
Juniper Networks Junos OS=22.1-r1
Juniper Networks Junos OS=22.1-r1-s1
Juniper Networks Junos OS=22.1-r1-s2
Juniper Networks Junos OS=22.1-r2
Juniper Networks Junos OS=22.1-r2-s1
Juniper Networks Junos OS=22.1-r3
Juniper Networks Junos OS=22.1-r3-s1
Juniper Networks Junos OS=22.1-r3-s2
Juniper Networks Junos OS=22.1-r3-s3
Juniper Networks Junos OS=22.2-r1
Juniper Networks Junos OS=22.2-r1-s1
Juniper Networks Junos OS=22.2-r2
Juniper Networks Junos OS=22.2-r2-s1
Juniper Networks Junos OS=22.2-r2-s2
Juniper Networks Junos OS=22.3-r1
Juniper Networks Junos OS=22.3-r1-s1
Juniper Networks Junos OS=22.3-r1-s2
Juniper Networks Junos OS=22.3-r2
Juniper Networks Junos OS=22.3-r2-s1
Juniper Networks Junos OS=22.4-r1
Juniper Networks Junos OS=22.4-r1-s1
Juniper Networks Junos OS=22.4-r1-s2
juniper ptx10003

Remedy

The following software releases have been updated to resolve this specific issue: Junos OS Evolved 20.4R3-S8-EVO, 21.2R3-S6-EVO, 21.4R3-S3-EVO, 22.1R3-S4-EVO, 22.2R3-S3-EVO, 22.3R2-S2-EVO, 22.3R3-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2023-44196?

    CVE-2023-44196 is classified as a critical vulnerability.

  • How do I fix CVE-2023-44196?

    To fix CVE-2023-44196, update to the latest version of Junos OS Evolved that addresses this vulnerability.

  • Who is affected by CVE-2023-44196?

    CVE-2023-44196 affects devices running specific versions of Juniper Networks Junos OS Evolved, especially on PTX10003 Series.

  • What impact does CVE-2023-44196 have?

    CVE-2023-44196 allows an unauthenticated adjacent attacker to potentially compromise the integrity of the system.

  • What versions of Junos OS Evolved are affected by CVE-2023-44196?

    CVE-2023-44196 affects multiple versions of Junos OS Evolved including 20.4, 21.1, 21.2, and 21.3.

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