medium
5.5
CWE
416
Advisory Published
Updated

CVE-2023-28980: Junos OS and Junos OS Evolved: In a BGP rib sharding scenario an rpd crash will happen shortly after a specific CLI command is issued

First published: Mon Apr 17 2023(Updated: )

A Use After Free vulnerability in the routing protocol daemon of Juniper Networks Junos OS and Junos OS Evolved allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS). In a rib sharding scenario the rpd process will crash shortly after specific CLI command is issued. This issue is more likely to occur in a scenario with high route scale (>1M routes). This issue affects: Juniper Networks Junos OS * 20.2 version 20.2R3-S5 and later versions prior to 20.2R3-S6; * 20.3 version 20.3R3-S2 and later versions prior to 20.3R3-S5; * 20.4 version 20.4R3-S1 and later versions prior to 20.4R3-S4 * 21.1 version 21.1R3 and later versions prior to 21.1R3-S3; * 21.2 version 21.2R1-S2, 21.2R2-S1 and later versions prior to 21.2R3-S2; * 21.3 version 21.3R2 and later versions prior to 21.3R3; * 21.4 versions prior to 21.4R2-S1, 21.4R3; * 22.1 versions prior to 22.1R2. Juniper Networks Junos OS Evolved * 20.4-EVO version 20.4R3-S1-EVO and later versions prior to 20.4R3-S6-EVO; * 21.2-EVO version 21.2R1-S2-EVO and later versions prior to 21.2R3-S4-EVO; * 21.3-EVO version 21.3R2-EVO and later versions prior to 21.3R3-S1-EVO; * 21.4-EVO versions prior to 21.4R2-S1-EVO, 21.4R3-EVO; * 22.1-EVO versions prior to 22.1R2-EVO.

Credit: sirt@juniper.net sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper JUNOS=20.2-r3-s5
Juniper JUNOS=20.3-r3-s2
Juniper JUNOS=20.3-r3-s3
Juniper JUNOS=20.3-r3-s4
Juniper JUNOS=20.4-r3-s1
Juniper JUNOS=20.4-r3-s2
Juniper JUNOS=20.4-r3-s3
Juniper JUNOS=21.1-r3
Juniper JUNOS=21.1-r3-s1
Juniper JUNOS=21.1-r3-s2
Juniper JUNOS=21.2-r1-s2
Juniper JUNOS=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.3-r2
Juniper JUNOS=21.3-r2-s1
Juniper JUNOS=21.3-r2-s2
Juniper JUNOS=21.4
Juniper JUNOS=21.4-r1
Juniper JUNOS=21.4-r1-s1
Juniper JUNOS=21.4-r1-s2
Juniper JUNOS=21.4-r2
Juniper JUNOS=21.4-r3
Juniper JUNOS=22.1-r1
Juniper JUNOS=22.1-r1-s1
Juniper JUNOS=22.1-r1-s2
Juniper Junos Os Evolved=20.4-r3-s1
Juniper Junos Os Evolved=20.4-r3-s2
Juniper Junos Os Evolved=20.4-r3-s3
Juniper Junos Os Evolved=20.4-r3-s4
Juniper Junos Os Evolved=20.4-r3-s5
Juniper Junos Os Evolved=21.2-r1-s2
Juniper Junos Os Evolved=21.2-r2
Juniper Junos Os Evolved=21.2-r2-s1
Juniper Junos Os Evolved=21.2-r2-s2
Juniper Junos Os Evolved=21.2-r3
Juniper Junos Os Evolved=21.2-r3-s1
Juniper Junos Os Evolved=21.2-r3-s2
Juniper Junos Os Evolved=21.2-r3-s3
Juniper Junos Os Evolved=21.3-r2
Juniper Junos Os Evolved=21.3-r2-s1
Juniper Junos Os Evolved=21.3-r2-s2
Juniper Junos Os Evolved=21.3-r3
Juniper Junos Os Evolved=21.4
Juniper Junos Os Evolved=21.4-r1
Juniper Junos Os Evolved=21.4-r1-s1
Juniper Junos Os Evolved=21.4-r1-s2
Juniper Junos Os Evolved=21.4-r2
Juniper Junos Os Evolved=21.4-r3
Juniper Junos Os Evolved=22.1-r1
Juniper Junos Os Evolved=22.1-r1-s1
Juniper Junos Os Evolved=22.1-r1-s2

Remedy

The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 20.4R3-S6-EVO, 21.2R3-S4-EVO, 21.3R3-S1-EVO, 21.4R2-S1-EVO, 21.4R3-EVO, 22.1R2-EVO, 22.2R1-EVO, and all subsequent releases. Junos OS: 20.2R3-S6, 20.3R3-S5, 20.4R3-S4, 21.1R3-S3, 21.2R3-S2, 21.3R3, 21.4R2-S1, 21.4R3, 22.1R2, 22.2R1, and all subsequent releases.

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2023-28980.

  • What is the severity of CVE-2023-28980?

    The severity of CVE-2023-28980 is medium with a score of 5.5.

  • What is the affected software?

    The affected software is Juniper Networks Junos OS and Junos OS Evolved.

  • What is the impact of CVE-2023-28980?

    CVE-2023-28980 allows a locally authenticated attacker with low privileges to cause Denial of Service (DoS).

  • How can I fix CVE-2023-28980?

    To fix CVE-2023-28980, it is recommended to update to a patched version of Juniper Networks Junos OS or Junos OS Evolved.

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