Improper Check for Unusual or Exceptional Conditions in Junos OS and Junos OS Evolved - CVE-2024-47507
Published: October 11, 2024
Vulnerability identifier: #VU98406
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-47507
CWE-ID: CWE-754
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling in the routing protocol daemon (rpd) when handling BGP update messages. A remote attacker can send specially crafted BGP update message, which contains the aggregator attribute with an ASN value of zero (0), and cause issues for the downstream BGP peers receiving this.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2024-47507
Install updates from vendor's website.
Junos OS - addressed in versions 21.4R3-S6, 22.1R3-S6, 22.2R3-S3, 22.4R3, 23.2R1
Junos OS Evolved - addressed in versions 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.4R3-EVO, 23.2R1-EVO
Junos OS Evolved - addressed in versions 21.4R3-S7-EVO, 22.2R3-S4-EVO, 22.4R3-EVO, 23.2R1-EVO