Vulnerability Monitor

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CVE-2023-36833


A Use After Free vulnerability in the packet forwarding engine (PFE) of Juniper Networks Junos OS Evolved on PTX10001-36MR, and PTX10004, PTX10008, PTX10016 with LC1201/1202 allows an adjacent, unauthenticated attacker to cause a Denial of Service (DoS). The process 'aftman-bt' will crash after multiple flaps on a multicast-only fast reroute (MoFRR) enabled interface. This will cause the respective FPC to stop forwarding traffic and it needs to be rebooted to restore the service. An indication that the system experienced this issue is the following log message:   <date> <hostname> evo-aftmand-bt[<pid>]: [Error] jexpr_fdb: sanity check failed, ... , app_name L3 Mcast Routes This issue affects Juniper Networks Junos OS Evolved on PTX10001-36MR, PTX10004, PTX10008, PTX10016 with LC1201/1202: 21.2 version 21.2R1-EVO and later versions; 21.3 version 21.3R1-EVO and later versions; 21.4 versions prior to 21.4R3-S3-EVO; 22.1 version 22.1R1-EVO and later versions; 22.2 versions prior to 22.2R3-S2-EVO; 22.3 versions prior to 22.3R3-EVO; 22.4 versions prior to 22.4R1-S2-EVO, 22.4R2-EVO.


Published

2023-07-14T17:15:09.133

Last Modified

2024-11-21T08:10:42.170

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses
  • Type: Primary
    CWE-416

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.2 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.3 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 21.4 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.1 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.2 Yes
Operating System juniper junos_os_evolved 22.3 Yes
Operating System juniper junos_os_evolved 22.3 Yes
Operating System juniper junos_os_evolved 22.3 Yes
Operating System juniper junos_os_evolved 22.3 Yes
Operating System juniper junos_os_evolved 22.3 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Operating System juniper junos_os_evolved 22.4 Yes
Hardware juniper ptx10001-36mr - No
Hardware juniper ptx10004 - No
Hardware juniper ptx10008 - No
Hardware juniper ptx10016 - No

References