Main Vulnerability Database SB2024011069

SB2024011069 - Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS

Published: January 10, 2024

Security Bulletin ID SB2024011069

CSH 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 vulnerability.

1) Improper handling of exceptional conditions (CVE-ID: CVE-2024-21585)

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to improper handling of exceptional conditions error in BGP session processing. A remote non-authenticated attacker can flap BGP sessions and cause the routing protocol daemon (rpd) process to crash and restart, leading to a Denial of Service (DoS) condition.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2024-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-rpd-process-crash-due-to-BGP-flap-on-NSR-enabled-devices-CVE-2024-21585