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MEDIUM · 5.9

CVE-2018-5500

On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Mul...

Vulnerability Description

On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Multipath TCP (MCTCP) feature enabled will be affected by this issue.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Application Acceleration Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Advanced Firewall Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Analytics>= 11.6.1, <= 11.6.2
F5Big-Ip Access Policy Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Application Security Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Dns>= 11.6.1, <= 11.6.2
F5Big-Ip Link Controller>= 11.6.1, <= 11.6.2
F5Big-Ip Policy Enforcement Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Websafe>= 11.6.1, <= 11.6.2
F5Big-Ip Edge Gateway>= 11.6.1, <= 11.6.2
F5Big-Ip Global Traffic Manager>= 11.6.1, <= 11.6.2
F5Big-Ip Webaccelerator>= 11.6.1, <= 11.6.2

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2018-5500?

CVE-2018-5500 is a vulnerability with a CVSS score of 5.9 (MEDIUM). On F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, or 11.6.1 - 11.6.2, every Multipath TCP (MCTCP) connection established leaks a small amount of memory. Virtual server using TCP profile with Mul...

How severe is CVE-2018-5500?

CVE-2018-5500 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-5500?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Local Traffic Manager, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Access Policy Manager.