Main Vulnerability Database SB2023011174

SB2023011174 - Access of uninitialized pointer in Junos OS Evolved and Juniper Junos OS

Published: January 11, 2023

Security Bulletin ID SB2023011174

CSH Severity

Medium

Patch available

YES

Number of vulnerabilities 1

Exploitation vector Adjecent network

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 1 vulnerability.

1) Access of uninitialized pointer (CVE-ID: CVE-2023-22398)

CWE-ID: CWE-824 - Access of Uninitialized Pointer

CVSSv4: 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/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 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.

Remediation

Install update from vendor's website.

References

https://supportportal.juniper.net/s/article/2023-01-Security-Bulletin-Junos-OS-and-Junos-OS-Evolved-RPD-might-crash-when-MPLS-ping-is-performed-on-BGP-LSPs-CVE-2023-22398