CVE-2022-22206: Junos OS: SRX series: The PFE will crash when specific traffic is scanned by Enhanced Web Filtering safe-search

Published Jul 20, 2022

Updated

A Buffer Overflow vulnerability in the PFE of Juniper Networks Junos OS on SRX series allows an unauthenticated network based attacker to 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. This issue affects Juniper Networks Junos OS: 20.2 versions prior to 20.2R3-S4 on SRX Series; 20.3 versions prior to 20.3R3-S3 on SRX Series; 20.4 versions prior to 20.4R3-S3 on SRX Series; 21.1 versions prior to 21.1R3-S1 on SRX Series; 21.2 versions prior to 21.2R2-S2, 21.2R3 on SRX Series; 21.3 versions prior to 21.3R2 on SRX Series; 21.4 versions prior to 21.4R2 on SRX Series. This issue does not affect Juniper Networks Junos OS versions prior to 20.2R1.

Affected Software

76 affected components

Juniper Junos=20.2-r1

Juniper Junos=20.2-r1-s1

Juniper Junos=20.2-r1-s2

Juniper Junos=20.2-r1-s3

Juniper Junos=20.2-r2

Juniper Junos=20.2-r2-s1

Juniper Junos=20.2-r2-s2

Juniper Junos=20.2-r2-s3

Juniper Junos=20.2-r3

Juniper Junos=20.2-r3-s1

Juniper Junos=20.2-r3-s2

Juniper Junos=20.2-r3-s3

Juniper Junos=20.3

Juniper Junos=20.3-r1

Juniper Junos=20.3-r1-s1

Juniper Junos=20.3-r1-s2

Juniper Junos=20.3-r2

Juniper Junos=20.3-r2-s1

Juniper Junos=20.3-r3

Juniper Junos=20.3-r3-s1

Juniper Junos=20.3-r3-s2

Juniper Junos=20.4

Juniper Junos=20.4-r1

Juniper Junos=20.4-r1-s1

Juniper Junos=20.4-r2

Juniper Junos=20.4-r2-s1

Juniper Junos=20.4-r2-s2

Juniper Junos=20.4-r3

Juniper Junos=20.4-r3-s1

Juniper Junos=20.4-r3-s2

Juniper Junos=21.1

Juniper Junos=21.1-r1

Juniper Junos=21.1-r1-s1

Juniper Junos=21.1-r2

Juniper Junos=21.1-r2-s1

Juniper Junos=21.1-r2-s2

Juniper Junos=21.1-r3

Juniper Junos=21.2

Juniper Junos=21.2-r1

Juniper Junos=21.2-r1-s1

Juniper Junos=21.2-r1-s2

Juniper Junos=21.2-r2

Juniper Junos=21.2-r2-s1

Juniper Junos=21.3-r1

Juniper Junos=21.3-r1-s1

Juniper Junos=21.3-r1-s2

Juniper Junos=21.4-r1

Juniper Junos=21.4-r1-s1

Juniper Junos=21.4-r1-s2

Juniper SRX100

Juniper SRX110

Juniper SRX1400

Juniper SRX1500

Juniper SRX210

Juniper SRX220

Juniper SRX240

Juniper Srx240h2

Juniper SRX300

Juniper SRX320

Juniper SRX340

Juniper SRX3400

Juniper SRX345

Juniper SRX3600

Juniper Srx380

Juniper SRX4000

Juniper SRX4100

Juniper SRX4200

Juniper SRX4600

Juniper SRX5000

Juniper SRX5400

Juniper SRX550

Juniper Srx550 Hm

Juniper SRX550m

Juniper SRX5600

Juniper SRX5800

Juniper SRX650

Remediation

Information

The following software releases have been updated to resolve this specific issue: 20.2R3-S4, 20.3R3-S3, 20.4R3-S3, 21.1R3-S1, 21.2R2-S2, 21.2R3, 21.3R2, 21.4R2, 22.1R1, and all subsequent releases. Note: Only those releases listed in the PROBLEM section above are affected. This fix has also been proactively committed into other releases that are not vulnerable to this issue.

Event History

Jul 20, 2022

CVE Published

via MITRE·02:13 PM

Data Sourced

via MITRE·02:13 PM

RemedyDescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2022-22206?

CVE-2022-22206 has a High severity rating, indicating it can lead to denial of service.

How do I fix CVE-2022-22206?

To fix CVE-2022-22206, upgrade to Junos OS versions that are patched against this vulnerability.

Which systems are affected by CVE-2022-22206?

CVE-2022-22206 affects Juniper Networks Junos OS on specific SRX series versions 20.2 and newer.

Can CVE-2022-22206 be exploited remotely?

Yes, CVE-2022-22206 can be exploited remotely by an unauthenticated attacker.

What is the impact of CVE-2022-22206?

The impact of CVE-2022-22206 is a potential denial of service due to a buffer overflow in the system.