Heap-based buffer overflow in Juniper Junos OS - CVE-2024-21594

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Main Vulnerability Database Vulnerabilities #VU85277

Heap-based buffer overflow in Juniper Junos OS - CVE-2024-21594

Published: January 10, 2024


Vulnerability identifier: #VU85277
CSH Severity: Low
CVSSv4.0: 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/E:U/U:Clear
CVE-ID: CVE-2024-21594
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Juniper Junos OS
Software vendor:
Juniper Networks, Inc.

Description

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

The vulnerability exists due to heap-based buffer overflow error in the Network Services Daemon (NSD). A local authenticated user can cause a Denial of Service (DoS).

On an SRX 5000 Series device, when executing a specific command repeatedly, memory is corrupted, which leads to a Flow Processing Daemon (flowd) crash.

The NSD process has to be restarted to restore services.


Remediation

Install updates from vendor's website.

External links