CVE-2018-5501 — MEDIUM (5.9)

Q: What is CVE-2018-5501?

CVE-2018-5501 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In some circumstances, on F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, any 11.6.x or 11.5.x release, or 11.2.1, TCP DNS profile allows excessive buffering due to lack of flow control.

Q: How severe is CVE-2018-5501?

CVE-2018-5501 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-5501?

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.

Vulnerability Description

In some circumstances, on F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, any 11.6.x or 11.5.x release, or 11.2.1, TCP DNS profile allows excessive buffering due to lack of flow control.

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

Vendor	Product	Versions
F5	Big-Ip Local Traffic Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Application Acceleration Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Advanced Firewall Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Analytics	>= 11.5.1, <= 11.5.4
F5	Big-Ip Access Policy Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Application Security Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Dns	>= 11.5.1, <= 11.5.4
F5	Big-Ip Link Controller	>= 11.5.1, <= 11.5.4
F5	Big-Ip Policy Enforcement Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Websafe	>= 11.5.1, <= 11.5.4
F5	Big-Ip Edge Gateway	>= 11.5.1, <= 11.5.4
F5	Big-Ip Global Traffic Manager	>= 11.5.1, <= 11.5.4
F5	Big-Ip Webaccelerator	>= 11.5.1, <= 11.5.4

Related Weaknesses (CWE)

CWE-400

References

http://www.securityfocus.com/bid/103211Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K44200194Vendor Advisory
http://www.securityfocus.com/bid/103211Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K44200194Vendor Advisory

FAQ

What is CVE-2018-5501?

CVE-2018-5501 is a vulnerability with a CVSS score of 5.9 (MEDIUM). In some circumstances, on F5 BIG-IP systems running 13.0.0, 12.1.0 - 12.1.3.1, any 11.6.x or 11.5.x release, or 11.2.1, TCP DNS profile allows excessive buffering due to lack of flow control.

How severe is CVE-2018-5501?

CVE-2018-5501 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-2018-5501?

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.