HIGH · 7.5

CVE-2018-15317

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data struct...

Vulnerability Description

In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data structures leading to intermittent decrypt BAD_RECORD_MAC errors. Clients will be unable to access the application load balanced by a virtual server with an SSL profile until tmm is restarted.

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

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Advanced Firewall Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Application Acceleration Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Analytics>= 11.2.1, <= 11.5.6
F5Big-Ip Access Policy Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Protocol Security Module>= 11.2.1, <= 11.5.6
F5Big-Ip Domain Name System>= 11.2.1, <= 11.5.6
F5Big-Ip Edge Gateway>= 11.2.1, <= 11.5.6
F5Big-Ip Fraud Protection Service>= 11.2.1, <= 11.5.6
F5Big-Ip Global Traffic Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Link Controller>= 11.2.1, <= 11.5.6
F5Big-Ip Policy Enforcement Manager>= 11.2.1, <= 11.5.6
F5Big-Ip Webaccelerator>= 11.2.1, <= 11.5.6

References

FAQ

What is CVE-2018-15317?

CVE-2018-15317 is a vulnerability with a CVSS score of 7.5 (HIGH). In BIG-IP 14.0.0-14.0.0.2, 13.0.0-13.1.1.5, 12.1.0-12.1.4.1, and 11.2.1-11.6.3.2, an attacker sending specially crafted SSL records to a SSL Virtual Server will cause corruption in the SSL data struct...

How severe is CVE-2018-15317?

CVE-2018-15317 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-2018-15317?

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