CVE-2016-5736 Misconfiguration in n/a

High 7.5 Published Updated

Improper default configuration allows remote attackers to establish IKE Phase 1 negotiations and conduct brute-force attacks against Phase 2 negotiations.

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-2016-5736?

CVE-2016-5736 is a high-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 19 Aug 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The default configuration of the IPsec IKE peer listener in F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.1 before HF16, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF2; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.x before 12.0.0 HF2; BIG-IP DNS 12.x before 12.0.0 HF2; BIG-IP Edge Gateway, WebAccelerator, and WOM 11.2.1 before HF16; BIG-IP GTM 11.2.1 before HF16, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 11.4.0 through 11.4.1 improperly enables the anonymous IPsec IKE peer configuration object, which allows remote attackers to establish an IKE Phase 1 negotiation and possibly conduct brute-force attacks against Phase 2 negotiations via unspecified vectors.

Weakness: CWE-284

Which versions are affected by CVE-2016-5736?

It affects 15 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 9 more.

How do I fix CVE-2016-5736?

No fix has been published for CVE-2016-5736 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-5736 being exploited?

There is no known exploitation of CVE-2016-5736 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-82jp-wmcw-6247.

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