Stack-based buffer overflow in Junos OS - CVE-2024-30392
Published: April 11, 2024
Vulnerability identifier: #VU88448
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-30392
CWE-ID: CWE-121
Exploitation vector: Remote access
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 stack-based buffer overflow error in Flow Processing Daemon (flowd). A remote non-authenticated attacker can cause Denial of Service (DoS).
On all Junos OS MX Series platforms with SPC3 and MS-MPC/-MIC, when URL filtering is enabled and a specific URL request is received and processed, flowd will crash and restart.
Continuous reception of the specific URL request will lead to a sustained Denial of Service (DoS) condition.
Affected software
Junos OS
How to mitigate CVE-2024-30392
Install updates from vendor's website.
Junos OS - addressed in versions 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S3, 22.2R3-S1, 22.3R2-S2, 22.3R3, 22.4R2-S1, 22.4R3, 23.2R1