CVE-2016-5022 Denial of service in n/a

Critical 9.8 Published Updated

Remote attackers can cause a denial of service via crafted network traffic when Packet Filtering is enabled on F5 BIG-IP devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2016-5022?

CVE-2016-5022 is a critical denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 7 Sep 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP DNS 12.x before 12.0.0 HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.x before 11.2.1 HF16 and 11.3.0; BIG-IP GTM 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1 HF1; BIG-IP PSM 11.2.x before 11.2.1 HF16, 11.3.x, and 11.4.0 through 11.4.1; Enterprise Manager 3.1.1; BIG-IQ Cloud and Security 4.0.0 through 4.5.0; BIG-IQ Device 4.2.0 through 4.5.0; BIG-IQ ADC 4.5.0; BIG-IQ Centralized Management 5.0.0; BIG-IQ Cloud and Orchestration 1.0.0; and iWorkflow 2.0.0, when Packet Filtering is enabled on virtual servers and possibly self IP addresses, allow remote attackers to cause a denial of service (Traffic Management Microkernel restart) and possibly have unspecified other impact via crafted network traffic.

Weakness: CWE-284

Which versions are affected by CVE-2016-5022?

It affects 22 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 16 more.

How do I fix CVE-2016-5022?

No fix has been published for CVE-2016-5022 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2016-5022 being exploited?

There is no known exploitation of CVE-2016-5022 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-cj4v-hxwj-9f72.

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