Stack-based buffer overflow in Junos OS and Junos OS Evolved - CVE-2023-44177
Published: October 26, 2023
Vulnerability identifier: #VU82518
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-44177
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when handling CLI commands. A local user can can trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.
Affected software
Junos OS
Junos OS Evolved
Junos OS Evolved
How to mitigate CVE-2023-44177
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 22.1R3-S3, 22.2R3-S1, 22.3R3, 23.2R1
Junos OS Evolved - addressed in versions 20.4R3-S8-EVO, 21.2R3-S6-EVO, 21.3R3-S5-EVO, 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S1-EVO, 22.3R3-EVO, 22.4R2-EVO, 22.4R3-EVO, 23.2R1-EVO
Junos OS Evolved - addressed in versions 20.4R3-S8-EVO, 21.2R3-S6-EVO, 21.3R3-S5-EVO, 21.4R3-S4-EVO, 22.1R3-S3-EVO, 22.2R3-S1-EVO, 22.3R3-EVO, 22.4R2-EVO, 22.4R3-EVO, 23.2R1-EVO