TLS Handshake Vulnerability in F5 BIG-IP by F5 Networks
CVE-2018-5513

7.5HIGH

Key Information:

Vendor
F5
Status
Big-ip (ltm, Aam, Afm, Analytics, Apm, Asm, Dns, Edge Gateway, Gtm, Link Controller, Pem, Webaccelerator, Websafe)
Vendor
CVE Published:
1 June 2018

Summary

A vulnerability in the F5 BIG-IP product allows a malformed TLS handshake to crash the Traffic Management Microkernel (TMM), leading to potential service disruption. This issue specifically arises when Proxy SSL configuration is activated, impacting the data plane while leaving the control plane unaffected. It is essential for users and administrators of the affected versions to apply appropriate security updates and configurations to mitigate this risk.

Affected Version(s)

BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe) 13.1.0-13.1.0.3

BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe) 13.0.0

BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe) 12.1.0-12.1.3.3

References

https://support.f5.com/csp/article/K46940010
x_refsource_CONFIRM
http://www.securitytracker.com/id/1041017
vdb-entryx_refsource_SECTRACK

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.