CVE-2019-6638
First published: Wed Jul 03 2019(Updated: )
On BIG-IP 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4, Malformed http requests made to an undisclosed iControl REST endpoint can lead to infinite loop of the restjavad process.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Riverbed SteelApp Traffic Manager | >=14.0.0<14.0.0.5 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Application Acceleration Manager | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Application Acceleration Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Analytics | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Analytics | >=14.1.0<14.1.0.6 | |
| F5 Access Policy Manager | >=14.0.0<14.0.0.5 | |
| F5 Access Policy Manager | >=14.1.0<14.1.0.6 | |
| F5 Application Security Manager | >=14.0.0<14.0.0.5 | |
| F5 Application Security Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Edge Gateway | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Edge Gateway | >=14.1.0<14.1.0.6 | |
| Riverbed SteelApp Traffic Manager | >=14.0.0<14.0.0.5 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Link Controller | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Link Controller | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP WebAccelerator | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP WebAccelerator | >=14.1.0<14.1.0.6 | |
| F5 BIG-IP Fraud Protection Service | >=14.0.0<14.0.0.5 | |
| F5 BIG-IP Fraud Protection Service | >=14.1.0<14.1.0.6 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6638?
CVE-2019-6638 is rated as a medium severity vulnerability.
How do I fix CVE-2019-6638?
To fix CVE-2019-6638, you need to upgrade to a version of BIG-IP that is above 14.1.0.6 or 14.0.0.5.
Which versions of F5 BIG-IP are affected by CVE-2019-6638?
F5 BIG-IP versions 14.1.0-14.1.0.5 and 14.0.0-14.0.0.4 are affected by CVE-2019-6638.
What type of attack does CVE-2019-6638 allow?
CVE-2019-6638 allows an attacker to send malformed HTTP requests that can cause an infinite loop in the restjavad process.
Is there a workaround for CVE-2019-6638 if I cannot upgrade?
Currently, there are no known workarounds for CVE-2019-6638 other than upgrading to a patched version.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/weakness
- agent/description
- agent/last-modified-date
- agent/author
- agent/severity
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/14.0.0
- version/riverbed steelapp traffic manager/14.1.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/14.0.0
- version/f5 big-ip application acceleration manager/14.1.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/14.0.0
- version/f5 big-ip advanced firewall manager/14.1.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/14.0.0
- version/f5 big-ip analytics/14.1.0
- canonical/f5 access policy manager
- version/f5 access policy manager/14.0.0
- version/f5 access policy manager/14.1.0
- canonical/f5 application security manager
- version/f5 application security manager/14.0.0
- version/f5 application security manager/14.1.0
- canonical/f5 big-ip
- version/f5 big-ip/14.0.0
- version/f5 big-ip/14.1.0
- canonical/f5 big-ip edge gateway
- version/f5 big-ip edge gateway/14.0.0
- version/f5 big-ip edge gateway/14.1.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/14.0.0
- version/f5 big-ip link controller/14.1.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/14.0.0
- version/f5 big-ip policy enforcement manager/14.1.0
- canonical/f5 big-ip webaccelerator
- version/f5 big-ip webaccelerator/14.0.0
- version/f5 big-ip webaccelerator/14.1.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/14.0.0
- version/f5 big-ip fraud protection service/14.1.0