Home/CVE/On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing
CVE

CVE-2019-6631

On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing

On BIG-IP 11.5.1-11.6.4, iRules performing HTTP header manipulation may cause an interruption to service when processing traffic handled by a Virtual Server with an associated HTTP profile, in specific circumstances, when the requests do not strictly conform to RFCs.

HIGH · CVSS 7.5 EPSS 0.01009
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

13
f5 big-ip local traffic manager>= 11.5.2 and <= 11.6.4
f5 big-ip application acceleration manager>= 11.5.2 and <= 11.6.4
f5 big-ip advanced firewall manager>= 11.5.2 and <= 11.6.4
f5 big-ip analytics>= 11.5.2 and <= 11.6.4
f5 big-ip access policy manager>= 11.5.2 and <= 11.6.4
f5 big-ip application security manager>= 11.5.2 and <= 11.6.4
f5 big-ip domain name system>= 11.5.2 and <= 11.6.4
f5 big-ip edge gateway>= 11.5.2 and <= 11.6.4
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · f5sirt@f5.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Jul 2019 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/109119Broken LinkThird Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K19501795Vendor Advisory
https://support.f5.com/csp/article/K19501795?utm_source=f5support&amp
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