RADIUS Authentication Vulnerability in F5 BIG-IP
CVE-2018-5515

4.4MEDIUM

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:
2 May 2018

What is CVE-2018-5515?

On versions of F5 BIG-IP between 13.0.0 and 13.1.0.5, a specific issue arises when handling RADIUS authentication responses that utilize IPv6 addresses. This condition can lead to a crash of the Traffic Management Microkernel (TMM), potentially resulting in a failover event and a loss of service availability.

Affected Version(s)

BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe) 13.0.0-13.1.0.5

References

http://www.securityfocus.com/bid/104099
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1040802
vdb-entryx_refsource_SECTRACK
https://support.f5.com/csp/article/K62750376
x_refsource_CONFIRM

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.