Buffer overflow in Junos OS - CVE-2022-22206
Published: July 13, 2022
Vulnerability identifier: #VU82496
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-2022-22206
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 the PFE. A remote non-authenticated attacker can cause a Denial of Service (DoS).
The PFE will crash when specific traffic is scanned by Enhanced Web Filtering safe-search feature of UTM (Unified Threat management).
Continued receipt of this specific traffic will create a sustained Denial of Service (DoS) condition.
Affected software
Junos OS
How to mitigate CVE-2022-22206
Install updates from vendor's website.
Junos OS - addressed in versions 20.2R3-S4, 20.3R3-S3, 20.4R3-S3, 21.1R3-S1, 21.2R2-S2, 21.2R3, 21.3R2, 21.4R2, 22.1R1