Out-of-bounds write in Junos OS - CVE-2023-22415
Published: January 11, 2023 / Updated: October 26, 2023
Vulnerability identifier: #VU82478
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-2023-22415
CWE-ID: CWE-787
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 out-of-bounds write error in the H.323 ALG. A remote non-authenticated attacker can cause Denial of Service (DoS).
On all MX Series and SRX Series platform, when H.323 ALG is enabled and specific H.323 packets are received simultaneously, a flow processing daemon (flowd) crash will occur. Continued receipt of these specific packets will cause a sustained Denial of Service (DoS) condition.Affected software
Junos OS
How to mitigate CVE-2023-22415
Install updates from vendor's website.
Junos OS - addressed in versions 19.4R3-S10, 20.2R3-S6, 20.3R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S3, 21.4R3, 22.1R2-S1, 22.1R3, 22.2R1-S2, 22.2R2, 22.3R1