Input validation error in Junos OS Evolved - CVE-2022-22247
Published: October 12, 2022
Vulnerability identifier: #VU68273
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-2022-22247
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in ingress TCP segment processing. A remote attacker can send a crafted TCP segment to the device, triggering a kernel panic and perform a denial of service (DoS) attack.
Affected software
Junos OS Evolved
How to mitigate CVE-2022-22247
Install updates from vendor's website.
Junos OS Evolved - addressed in versions 21.3R3-EVO, 21.4R2-EVO, 22.1R2-EVO, 22.2R1-EVO