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 |
---|---|---|
F5 BIG-IP Local Traffic Manager | >=14.0.0<14.0.0.5 | |
F5 BIG-IP Local 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 BIG-IP Access Policy Manager | >=14.0.0<14.0.0.5 | |
F5 BIG-IP Access Policy Manager | >=14.1.0<14.1.0.6 | |
F5 BIG-IP Application Security Manager | >=14.0.0<14.0.0.5 | |
F5 BIG-IP Application Security Manager | >=14.1.0<14.1.0.6 | |
f5 big-ip domain name system | >=14.0.0<14.0.0.5 | |
f5 big-ip domain name system | >=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 | |
F5 BIG-IP Global Traffic Manager | >=14.0.0<14.0.0.5 | |
F5 BIG-IP Global 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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CVE-2019-6638 is rated as a medium severity vulnerability.
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.
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.
CVE-2019-6638 allows an attacker to send malformed HTTP requests that can cause an infinite loop in the restjavad process.
Currently, there are no known workarounds for CVE-2019-6638 other than upgrading to a patched version.