Buffer overflow in Junos OS - CVE-2023-22416
Published: January 11, 2023
Vulnerability identifier: #VU82493
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-2023-22416
CWE-ID: CWE-120
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 buffer overflow error in SIP ALG. A remote non-authenticated attacker can cause a Denial of Service (DoS).
On all MX Series and SRX Series platform with SIP ALG enabled, when a malformed SIP packet is received, the flow processing daemon (flowd) will crash and restart.
Affected software
Junos OS
How to mitigate CVE-2023-22416
Install updates from vendor's website.
Junos OS - addressed in versions 20.4R3-S5, 21.1R3-S4, 21.2R3-S2, 21.3R3-S1, 21.4R3, 22.1R1-S2, 22.1R2, 22.2R1-S1, 22.2R2, 22.3R1