Juniper Junos OS: 2024-04 Security Bulletin: Junos OS and Junos OS Evolved: A malformed BGP tunnel encapsulation attribute will lead to an rpd crash (JSA79095) (CVE-2024-30395)

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