medium
6
CWE
416
Advisory Published
Updated

CVE-2024-39528: Junos OS and Junos OS Evolved: Concurrent deletion of a routing-instance and receipt of an SNMP request cause an RPD crash

First published: Thu Jul 11 2024(Updated: )

A Use After Free vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an authenticated, network-based attacker to cause a Denial of Service (DoS).On all Junos OS and Junos Evolved platforms, if a routing-instance deactivation is triggered, and at the same time a specific SNMP request is received, a segmentation fault occurs which causes rpd to crash and restart. This issue affects:    Junos OS: * All versions before 21.2R3-S8,  * 21.4 versions before 21.4R3-S5, * 22.2 versions before 22.2R3-S3, * 22.3 versions before 22.3R3-S2, * 22.4 versions before 22.4R3, * 23.2 versions before 23.2R2.   Junos OS Evolved: * All versions before 21.2R3-S8-EVO, * 21.4-EVO versions before 21.4R3-S5-EVO, * 22.2-EVO versions before 22.2R3-S3-EVO,  * 22.3-EVO versions before 22.3R3-S2-EVO, * 22.4-EVO versions before 22.4R3-EVO, * 23.2-EVO versions before 23.2R2-EVO.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Junos OS Evolved<21.2
Junos OS Evolved=21.2
Junos OS Evolved=21.2-r1
Junos OS Evolved=21.2-r1-s1
Junos OS Evolved=21.2-r1-s2
Junos OS Evolved=21.2-r2
Junos OS Evolved=21.2-r2-s1
Junos OS Evolved=21.2-r2-s2
Junos OS Evolved=21.2-r3
Junos OS Evolved=21.2-r3-s1
Junos OS Evolved=21.2-r3-s2
Junos OS Evolved=21.2-r3-s3
Junos OS Evolved=21.2-r3-s4
Junos OS Evolved=21.2-r3-s5
Junos OS Evolved=21.2-r3-s6
Junos OS Evolved=21.2-r3-s7
Junos OS Evolved=21.4
Junos OS Evolved=21.4-r1
Junos OS Evolved=21.4-r1-s1
Junos OS Evolved=21.4-r1-s2
Junos OS Evolved=21.4-r2
Junos OS Evolved=21.4-r2-s1
Junos OS Evolved=21.4-r2-s2
Junos OS Evolved=21.4-r3
Junos OS Evolved=21.4-r3-s1
Junos OS Evolved=21.4-r3-s2
Junos OS Evolved=21.4-r3-s3
Junos OS Evolved=21.4-r3-s4
Junos OS Evolved=22.2
Junos OS Evolved=22.2-r1
Junos OS Evolved=22.2-r1-s1
Junos OS Evolved=22.2-r1-s2
Junos OS Evolved=22.2-r2
Junos OS Evolved=22.2-r2-s1
Junos OS Evolved=22.2-r2-s2
Junos OS Evolved=22.2-r3
Junos OS Evolved=22.2-r3-s1
Junos OS Evolved=22.2-r3-s2
Junos OS Evolved=22.3
Junos OS Evolved=22.3-r1
Junos OS Evolved=22.3-r1-s1
Junos OS Evolved=22.3-r1-s2
Junos OS Evolved=22.3-r2
Junos OS Evolved=22.3-r2-s1
Junos OS Evolved=22.3-r2-s2
Junos OS Evolved=22.3-r3
Junos OS Evolved=22.3-r3-s1
Junos OS Evolved=22.4
Junos OS Evolved=22.4-r1
Junos OS Evolved=22.4-r1-s1
Junos OS Evolved=22.4-r1-s2
Junos OS Evolved=22.4-r2
Junos OS Evolved=22.4-r2-s1
Junos OS Evolved=22.4-r2-s2
Junos OS Evolved=23.2
Junos OS Evolved=23.2-r1
Junos OS Evolved=23.2-r1-s1
Junos OS Evolved=23.2-r1-s2
Juniper JUNOS<21.2
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=21.2-r2-s1
Juniper JUNOS=21.2-r2-s2
Juniper JUNOS=21.2-r3
Juniper JUNOS=21.2-r3-s1
Juniper JUNOS=21.2-r3-s2
Juniper JUNOS=21.2-r3-s3
Juniper JUNOS=21.2-r3-s4
Juniper JUNOS=21.2-r3-s5
Juniper JUNOS=21.2-r3-s6
Juniper JUNOS=21.2-r3-s7
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-r2-s1
Juniper JUNOS=21.4-r2-s2
Juniper JUNOS=21.4-r3
Juniper JUNOS=21.4-r3-s1
Juniper JUNOS=21.4-r3-s2
Juniper JUNOS=21.4-r3-s3
Juniper JUNOS=21.4-r3-s4
Juniper JUNOS=22.2
Juniper JUNOS=22.2-r1
Juniper JUNOS=22.2-r1-s1
Juniper JUNOS=22.2-r1-s2
Juniper JUNOS=22.2-r2
Juniper JUNOS=22.2-r2-s1
Juniper JUNOS=22.2-r2-s2
Juniper JUNOS=22.2-r3
Juniper JUNOS=22.2-r3-s1
Juniper JUNOS=22.2-r3-s2
Juniper JUNOS=22.4
Juniper JUNOS=22.4-r1
Juniper JUNOS=22.4-r1-s1
Juniper JUNOS=22.4-r1-s2
Juniper JUNOS=22.4-r2
Juniper JUNOS=22.4-r2-s1
Juniper JUNOS=22.4-r2-s2
Juniper JUNOS=23.2
Juniper JUNOS=23.2-r1
Juniper JUNOS=23.2-r1-s1
Juniper JUNOS=23.2-r1-s2

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2024-39528?

    CVE-2024-39528 has a severity rating that allows authenticated network-based attackers to cause Denial of Service (DoS).

  • How do I fix CVE-2024-39528?

    To address CVE-2024-39528, you should upgrade to the latest patched version of Junos OS or Junos OS Evolved as recommended by Juniper Networks.

  • What versions of Junos OS are affected by CVE-2024-39528?

    CVE-2024-39528 affects multiple versions of Junos OS, specifically those up to version 21.2 but not including later versions.

  • Is CVE-2024-39528 remotely exploitable?

    Yes, CVE-2024-39528 is remotely exploitable by authenticated attackers on the network.

  • What type of vulnerability is CVE-2024-39528?

    CVE-2024-39528 is categorized as a Use After Free vulnerability in the Routing Protocol Daemon (rpd) of the affected systems.

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