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HIGH · 7.5

CVE-2018-5507

On F5 BIG-IP versions 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5, vCMP guests running on VIPRION 2100, 4200 and 4300 series blades cannot correctly decrypt ciphertext from established SS...

Vulnerability Description

On F5 BIG-IP versions 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5, vCMP guests running on VIPRION 2100, 4200 and 4300 series blades cannot correctly decrypt ciphertext from established SSL sessions with small MTU.

CVSS Score

7.5

HIGH

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

Affected Products

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.5.1, <= 11.5.5
F5Viprion 2100 Blades-
F5Viprion 4200 Blades-
F5Viprion 4300 Blades-
F5Big-Ip Application Acceleration Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Analytics>= 11.5.1, <= 11.5.5
F5Big-Ip Access Policy Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.5.5
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Link Controller>= 11.5.1, <= 11.5.5
F5Big-Ip Policy Enforcement Manager>= 11.5.1, <= 11.5.5
F5Big-Ip Webaccelerator>= 11.5.1, <= 11.5.5
F5Big-Ip Websafe>= 11.5.1, <= 11.5.5
F5Big-Ip Domain Name System>= 11.5.1, <= 11.5.5

References

FAQ

What is CVE-2018-5507?

CVE-2018-5507 is a vulnerability with a CVSS score of 7.5 (HIGH). On F5 BIG-IP versions 13.0.0, 12.1.0-12.1.3.1, 11.6.1-11.6.2, or 11.5.1-11.5.5, vCMP guests running on VIPRION 2100, 4200 and 4300 series blades cannot correctly decrypt ciphertext from established SS...

How severe is CVE-2018-5507?

CVE-2018-5507 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-2018-5507?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Local Traffic Manager, F5 Viprion 2100 Blades, F5 Viprion 4200 Blades, F5 Viprion 4300 Blades, F5 Big-Ip Application Acceleration Manager.