medium
5.9
CWE
362 416
Advisory Published
Updated

CVE-2022-22208: Junos OS and Junos OS Evolved: An rpd crash can occur due to memory corruption caused by flapping BGP sessions

First published: Tue Oct 18 2022(Updated: )

A Use After Free vulnerability in the Routing Protocol Daemon (rdp) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated network-based attacker to cause Denial of Service (DoS). When a BGP session flap happens, a Use After Free of a memory location that was assigned to another object can occur, which will lead to an rpd crash. This is a race condition that is outside of the attacker's control and cannot be deterministically exploited. Continued flapping of BGP sessions can create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS: All versions prior to 18.4R2-S9, 18.4R3-S11; 19.1 versions prior to 19.1R3-S8; 19.2 version 19.2R1 and later versions; 19.3 versions prior to 19.3R3-S5; 19.4 versions prior to 19.4R2-S6, 19.4R3-S6; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S3; 20.3 versions prior to 20.3R3-S2; 20.4 versions prior to 20.4R3-S1; 21.1 versions prior to 21.1R3-S3; 21.2 versions prior to 21.2R2-S1, 21.2R3. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO versions prior to 21.1R3-S2-EVO; 21.2-EVO versions prior to 21.2R3-EVO; 21.3-EVO versions prior to 21.3R2-EVO.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper JUNOS<18.4
Juniper JUNOS=18.4
Juniper JUNOS=18.4-r1
Juniper JUNOS=18.4-r1-s1
Juniper JUNOS=18.4-r1-s2
Juniper JUNOS=18.4-r1-s3
Juniper JUNOS=18.4-r1-s4
Juniper JUNOS=18.4-r1-s5
Juniper JUNOS=18.4-r1-s6
Juniper JUNOS=18.4-r1-s7
Juniper JUNOS=18.4-r2
Juniper JUNOS=18.4-r2-s1
Juniper JUNOS=18.4-r2-s10
Juniper JUNOS=18.4-r2-s2
Juniper JUNOS=18.4-r2-s3
Juniper JUNOS=18.4-r2-s4
Juniper JUNOS=18.4-r2-s5
Juniper JUNOS=18.4-r2-s6
Juniper JUNOS=18.4-r2-s7
Juniper JUNOS=18.4-r2-s8
Juniper JUNOS=18.4-r3-s11
Juniper JUNOS=19.1
Juniper JUNOS=19.1-r1
Juniper JUNOS=19.1-r1-s1
Juniper JUNOS=19.1-r1-s2
Juniper JUNOS=19.1-r1-s3
Juniper JUNOS=19.1-r1-s4
Juniper JUNOS=19.1-r1-s5
Juniper JUNOS=19.1-r1-s6
Juniper JUNOS=19.1-r2
Juniper JUNOS=19.1-r2-s1
Juniper JUNOS=19.1-r2-s2
Juniper JUNOS=19.1-r2-s3
Juniper JUNOS=19.1-r3
Juniper JUNOS=19.1-r3-s1
Juniper JUNOS=19.1-r3-s2
Juniper JUNOS=19.1-r3-s3
Juniper JUNOS=19.1-r3-s4
Juniper JUNOS=19.1-r3-s5
Juniper JUNOS=19.1-r3-s6
Juniper JUNOS=19.1-r3-s7
Juniper JUNOS=19.2
Juniper JUNOS=19.2-r1
Juniper JUNOS=19.3
Juniper JUNOS=19.3-r1
Juniper JUNOS=19.3-r1-s1
Juniper JUNOS=19.3-r2
Juniper JUNOS=19.3-r2-s1
Juniper JUNOS=19.3-r2-s2
Juniper JUNOS=19.3-r2-s3
Juniper JUNOS=19.3-r2-s4
Juniper JUNOS=19.3-r2-s5
Juniper JUNOS=19.3-r2-s6
Juniper JUNOS=19.3-r3
Juniper JUNOS=19.3-r3-s1
Juniper JUNOS=19.3-r3-s2
Juniper JUNOS=19.3-r3-s3
Juniper JUNOS=19.3-r3-s4
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-s6
Juniper JUNOS=20.1
Juniper JUNOS=20.1-r1
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=20.3
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=20.4
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=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=21.1-r3
Juniper JUNOS=21.1-r3-s1
Juniper JUNOS=21.1-r3-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=21.2-r3
Juniper Junos Os Evolved=21.1
Juniper Junos Os Evolved=21.1-r1
Juniper Junos Os Evolved=21.1-r1-s1
Juniper Junos Os Evolved=21.1-r2
Juniper Junos Os Evolved=21.1-r3
Juniper Junos Os Evolved=21.1-r3-s1
Juniper Junos Os Evolved=21.2
Juniper Junos Os Evolved=21.2-r1
Juniper Junos Os Evolved=21.2-r1-s1
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=21.3
Juniper Junos Os Evolved=21.3-r1
Juniper Junos Os Evolved=21.3-r1-s1

Remedy

The following software releases have been updated to resolve this specific issue: Junos OS: 18.4R2-S9, 18.4R3-S11, 19.1R3-S8, 19.3R3-S5, 19.4R2-S6, 19.4R3-S6, 20.2R3-S3, 20.3R3-S2, 20.4R3-S1, 21.1R3-S3, 21.2R2-S1, 21.2R3, 21.3R1, and all subsequent releases. Junos OS Evolved: 20.4R3-S4-EVO, 21.1R3-S2-EVO, 21.2R3-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases.

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