Buffering Flaw in F5 BIG-IP Systems Affects TCP DNS Profile
CVE-2018-5501

5.9MEDIUM

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 March 2018

Summary

A Buffering Vulnerability has been identified in F5 BIG-IP systems that can lead to excessive buffering without adequate flow control. This affects specific versions of BIG-IP, notably versions 13.0.0 and 12.1.0 through 12.1.3.1, among others. This flaw may allow for conditions that disrupt normal operations of TCP-based DNS profiles, potentially leading to performance issues in networking environments.

Affected Version(s)

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 - 12.1.3.1

BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe 11.6.1 - 11.6.x

References

https://support.f5.com/csp/article/K44200194
x_refsource_CONFIRM
http://www.securityfocus.com/bid/103211
vdb-entryx_refsource_BID

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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