Main Vulnerability Database SB2024101026

SB2024101026 - Improper handling of exceptional conditions in Junos OS Evolved and Juniper Junos OS

Published: October 10, 2024

Security Bulletin ID SB2024101026

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 handling of exceptional conditions (CVE-ID: CVE-2024-47491)

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 the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause Denial of Service (DoS).

When a BGP UPDATE with malformed path attribute is received over an established BGP session, rpd crashes and restarts.

Continuous receipt of a BGP UPDATE with a specifically malformed path attribute will create a sustained Denial of Service (DoS) condition for impacted devices.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2024-10-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-Receipt-of-a-specific-malformed-BGP-path-attribute-leads-to-an-RPD-crash-CVE-2024-47491