Access of uninitialized pointer in Junos OS and Junos OS Evolved - CVE-2023-22398
Published: January 11, 2023
Vulnerability identifier: #VU82476
CSH Severity: Medium
CVSS v4: 6 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-22398
CWE-ID: CWE-824
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to access of uninitialized pointer error in the Routing Protocol Daemon (rpd). A remote non-authenticated attacker can cause a Denial of Service (DoS).
When an MPLS ping is performed on BGP LSPs, the RPD might crash.
Repeated execution of this operation will lead to a sustained DoS.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2023-22398
Install updates from vendor's website.
Junos OS - addressed in versions 15.1R7-S12, 19.1R3-S9, 19.2R1-S9, 19.2R3-S5, 19.3R3-S6, 19.4R2-S7, 19.4R3-S8, 20.1R3-S4, 20.2R3-S5, 20.3R3-S5, 20.4R3-S4, 21.1R1-S1, 21.1R2, 21.2R1
Junos OS Evolved - addressed in versions 20.4R3-S4-EVO, 21.1R2-EVO, 21.2R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S4-EVO, 21.1R2-EVO, 21.2R1-EVO