Time-of-check Time-of-use (TOCTOU) Race Condition in Juniper Junos OS - CVE-2023-44188

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Main Vulnerability Database Vulnerabilities #VU82108

Time-of-check Time-of-use (TOCTOU) Race Condition in Juniper Junos OS - CVE-2023-44188

Published: October 17, 2023


Vulnerability identifier: #VU82108
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-44188
CWE-ID: CWE-367
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in telemetry processing within the Junos Kernel Debugging Streaming Daemon (jkdsd) process. A remote authenticated user can flood the system with multiple telemetry requests and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links