Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved and Junos OS - CVE-2024-30395

 

Improper Check for Unusual or Exceptional Conditions in Junos OS Evolved and Junos OS - CVE-2024-30395

Published: April 11, 2024


Vulnerability identifier: #VU88486
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2024-30395
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 Routing Protocol Daemon (RPD) when handling BGP update packets. A remote attacker can send a malformed BGP tunnel encapsulation attribute to the device and perform a denial of service (DoS) attack.


Affected software

Junos OS Evolved
Junos OS

How to mitigate CVE-2024-30395

Install updates from vendor's website.

Junos OS Evolved - addressed in versions 21.2R3-S7-EVO, 21.3R3-S5-EVO, 21.4R3-S5-EVO, 22.2R3-S3-EVO, 22.3R3-S2-EVO, 22.4R3-EVO, 23.2R1-S2-EVO, 23.2R2-EVO, 23.4R1-EVO
Junos OS - addressed in versions 21.2R3-S7, 21.3R3-S5, 21.4R3-S5, 22.1R3-S5, 22.2R3-S3, 22.3R3-S2, 22.4R3, 23.2R1-S2, 23.2R2, 23.4R1

External References

Related Security Bulletins