Juniper Networks, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Juniper Networks, Inc. CWE-1287

An Improper Validation of Specified Type of Input vulnerability in Routing Protocol Daemon (RPD) of Junos OS and Junos OS Evolved allows an unauthenticated, network-based attacker to cause Denial of Service (DoS).

If a BGP update is received over an established BGP session which contains a tunnel encapsulation attribute with a specifically malformed TLV, rpd will crash and restart.
This issue affects:

Junos OS:



  *  all versions before 21.2R3-S7, 

  *  from 21.3 before 21.3R3-S5, 

  *  from 21.4 before 21.4R3-S5, 

  *  from 22.1 before 22.1R3-S5, 

  *  from 22.2 before 22.2R3-S3, 

  *  from 22.3 before 22.3R3-S2, 

  *  from 22.4 before 22.4R3, 

  *  from 23.2 before 23.2R1-S2, 23.2R2.





Junos OS Evolved:



  *  all versions before 21.2R3-S7-EVO, 

  *  from 21.3-EVO before 21.3R3-S5-EVO, 

  *  from 21.4-EVO before 21.4R3-S5-EVO, 
  *  from 22.2-EVO before 22.2R3-S3-EVO, 

  *  from 22.3-EVO before 22.3R3-S2-EVO, 

  *  from 22.4-EVO before 22.4R3-EVO, 

  *  from 23.2-EVO before 23.2R1-S2-EVO, 23.2R2-EVO.



This is a related but separate issue than the one described in JSA75739

Juniper Networks, Inc. https://supportportal.juniper.net/JSA79095 [No types assigned]

Juniper Networks, Inc. https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N [No types assigned]