CVE-2016-5736 — HIGH (7.5) — White Hats Nepal

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
F5	Big-Ip Application Acceleration Manager	11.4.0
F5	Big-Ip Webaccelerator	11.2.1
F5	Big-Ip Analytics	11.2.1
F5	Big-Ip Domain Name System	12.0.0
F5	Big-Ip Edge Gateway	11.2.1
F5	Big-Ip Access Policy Manager	11.2.1
F5	Big-Ip Local Traffic Manager	11.2.1
F5	Big-Ip Advanced Firewall Manager	11.4.0
F5	Big-Ip Websafe	11.6.0
F5	Big-Ip Policy Enforcement Manager	11.4.0
F5	Big-Ip Global Traffic Manager	11.2.1
F5	Big-Ip Link Controller	11.2.1
F5	Big-Ip Protocol Security Module	11.4.0
F5	Big-Ip Wan Optimization Manager	11.2.1
F5	Big-Ip Application Security Manager	11.2.1

Related Weaknesses (CWE)

CWE-284

References

http://www.securitytracker.com/id/1036618Third Party AdvisoryVDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/10/sol10133477.htmlVendor Advisory
http://www.securitytracker.com/id/1036618Third Party AdvisoryVDB Entry
https://support.f5.com/kb/en-us/solutions/public/k/10/sol10133477.htmlVendor Advisory

FAQ

What is CVE-2016-5736?

CVE-2016-5736 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2016-5736?

CVE-2016-5736 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2016-5736?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Webaccelerator, F5 Big-Ip Analytics, F5 Big-Ip Domain Name System, F5 Big-Ip Edge Gateway.