Improper validation of syntactic correctness of input in Junos OS Evolved and Juniper Junos OS - CVE-2024-21598

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Main Vulnerability Database Vulnerabilities #VU88449

Improper validation of syntactic correctness of input in Junos OS Evolved and Juniper Junos OS - CVE-2024-21598

Published: April 11, 2024


Vulnerability identifier: #VU88449
CSH Severity: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2024-21598
CWE-ID: CWE-1286
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Junos OS Evolved
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper validation of syntactic correctness of input error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause a 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.


Remediation

Install updates from vendor's website.

External links