SB2024041108 - Improper validation of syntactic correctness of input in Junos OS Evolved and Juniper Junos OS
Published: April 11, 2024
Security Bulletin ID
SB2024041108
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper validation of syntactic correctness of input (CVE-ID: CVE-2024-21598)
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 update from vendor's website.