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CVE-2018-5502

UnknownEPSS 1.40%

Last modified

CVE-2018-5502 is a vulnerability of currently unknown severity. On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure.

Metrics

EPSS Probability
1.40%

69.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Advanced Firewall Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Analytics>= 13.0.0, < 13.1.0.4
F5Big-Ip Application Acceleration Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Application Security Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Domain Name System>= 13.0.0, <= 13.1.0.4
F5Big-Ip Edge Gateway>= 13.0.0, < 13.1.0.4
F5Big-Ip Global Traffic Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Link Controller>= 13.0.0, < 13.1.0.4
F5Big-Ip Local Traffic Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Policy Enforcement Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Webaccelerator>= 13.0.0, < 13.1.0.4
F5Big-Ip Websafe1.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-5502?
On F5 BIG-IP versions 13.0.0 - 13.1.0.3, attackers may be able to disrupt services on the BIG-IP system with maliciously crafted client certificate. This vulnerability affects virtual servers associated with Client SSL profile which enables the use of client certificate authentication. Client certificate authentication is not enabled by default in Client SSL profile. There is no control plane exposure.
How severe is CVE-2018-5502?
Severity scoring for CVE-2018-5502 is pending analysis. The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5502?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST