CVE-2019-6677
First published: Mon Dec 23 2019(Updated: )
On BIG-IP versions 15.0.0-15.0.1, 14.1.0-14.1.2, 14.0.0-14.0.1, 13.1.0-13.1.3.1, and 12.1.0-12.1.5, under certain conditions when using custom TCP congestion control settings in a TCP profile, TMM stops processing traffic when processed by an iRule.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 Access Policy Manager | >=12.1.0<=12.1.5 | |
| F5 Access Policy Manager | >=13.1.0<13.1.3.2 | |
| F5 Access Policy Manager | >=14.0.0<14.0.1.1 | |
| F5 Access Policy Manager | >=14.1.0<14.1.2.1 | |
| F5 Access Policy Manager | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Advanced Firewall Manager | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Advanced Firewall Manager | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Analytics | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Analytics | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Analytics | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Analytics | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Analytics | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Application Acceleration Manager | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Application Acceleration Manager | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Application Acceleration Manager | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Application Acceleration Manager | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Application Acceleration Manager | >=15.0.0<15.0.1.1 | |
| F5 Application Security Manager | >=12.1.0<=12.1.5 | |
| F5 Application Security Manager | >=13.1.0<13.1.3.2 | |
| F5 Application Security Manager | >=14.0.0<14.0.1.1 | |
| F5 Application Security Manager | >=14.1.0<14.1.2.1 | |
| F5 Application Security Manager | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP | >=12.1.0<=12.1.5 | |
| F5 BIG-IP | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Fraud Protection Service | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Fraud Protection Service | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Fraud Protection Service | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Fraud Protection Service | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Fraud Protection Service | >=15.0.0<15.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=12.1.0<=12.1.5 | |
| Riverbed SteelApp Traffic Manager | >=13.1.0<13.1.3.2 | |
| Riverbed SteelApp Traffic Manager | >=14.0.0<14.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.2.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Link Controller | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Link Controller | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Link Controller | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Link Controller | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Link Controller | >=15.0.0<15.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=12.1.0<=12.1.5 | |
| Riverbed SteelApp Traffic Manager | >=13.1.0<13.1.3.2 | |
| Riverbed SteelApp Traffic Manager | >=14.0.0<14.0.1.1 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.2.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.0.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Policy Enforcement Manager | >=13.1.0<13.1.3.2 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.0.0<14.0.1.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=14.1.0<14.1.2.1 | |
| F5 BIG-IP Policy Enforcement Manager | >=15.0.0<15.0.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-6677?
CVE-2019-6677 has been classified with a high severity due to its potential impact on traffic processing.
How do I fix CVE-2019-6677?
To resolve CVE-2019-6677, upgrade your BIG-IP versions to those indicated in the vendor's advisory.
Which BIG-IP versions are affected by CVE-2019-6677?
CVE-2019-6677 affects BIG-IP versions from 12.1.0 to 15.0.1 under specific conditions.
What are the implications of CVE-2019-6677 for network security?
CVE-2019-6677 can lead to TMM stopping traffic processing, adversely affecting application availability.
Is there a workaround for CVE-2019-6677 pending a fix?
Currently, the recommended action is to update to secure versions as no formal workaround has been provided.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/severity
- agent/author
- agent/references
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 access policy manager
- version/f5 access policy manager/12.1.0
- version/f5 access policy manager/12.1.5
- version/f5 access policy manager/13.1.0
- version/f5 access policy manager/14.0.0
- version/f5 access policy manager/14.1.0
- version/f5 access policy manager/15.0.0
- canonical/f5 big-ip advanced firewall manager
- version/f5 big-ip advanced firewall manager/12.1.0
- version/f5 big-ip advanced firewall manager/12.1.5
- version/f5 big-ip advanced firewall manager/13.1.0
- version/f5 big-ip advanced firewall manager/14.0.0
- version/f5 big-ip advanced firewall manager/14.1.0
- version/f5 big-ip advanced firewall manager/15.0.0
- canonical/f5 big-ip analytics
- version/f5 big-ip analytics/12.1.0
- version/f5 big-ip analytics/12.1.5
- version/f5 big-ip analytics/13.1.0
- version/f5 big-ip analytics/14.0.0
- version/f5 big-ip analytics/14.1.0
- version/f5 big-ip analytics/15.0.0
- canonical/f5 big-ip application acceleration manager
- version/f5 big-ip application acceleration manager/12.1.0
- version/f5 big-ip application acceleration manager/12.1.5
- version/f5 big-ip application acceleration manager/13.1.0
- version/f5 big-ip application acceleration manager/14.0.0
- version/f5 big-ip application acceleration manager/14.1.0
- version/f5 big-ip application acceleration manager/15.0.0
- canonical/f5 application security manager
- version/f5 application security manager/12.1.0
- version/f5 application security manager/12.1.5
- version/f5 application security manager/13.1.0
- version/f5 application security manager/14.0.0
- version/f5 application security manager/14.1.0
- version/f5 application security manager/15.0.0
- canonical/f5 big-ip
- version/f5 big-ip/12.1.0
- version/f5 big-ip/12.1.5
- version/f5 big-ip/13.1.0
- version/f5 big-ip/14.0.0
- version/f5 big-ip/14.1.0
- version/f5 big-ip/15.0.0
- canonical/f5 big-ip fraud protection service
- version/f5 big-ip fraud protection service/12.1.0
- version/f5 big-ip fraud protection service/12.1.5
- version/f5 big-ip fraud protection service/13.1.0
- version/f5 big-ip fraud protection service/14.0.0
- version/f5 big-ip fraud protection service/14.1.0
- version/f5 big-ip fraud protection service/15.0.0
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/12.1.0
- version/riverbed steelapp traffic manager/12.1.5
- version/riverbed steelapp traffic manager/13.1.0
- version/riverbed steelapp traffic manager/14.0.0
- version/riverbed steelapp traffic manager/14.1.0
- version/riverbed steelapp traffic manager/15.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/12.1.0
- version/f5 big-ip link controller/12.1.5
- version/f5 big-ip link controller/13.1.0
- version/f5 big-ip link controller/14.0.0
- version/f5 big-ip link controller/14.1.0
- version/f5 big-ip link controller/15.0.0
- canonical/f5 big-ip policy enforcement manager
- version/f5 big-ip policy enforcement manager/12.1.0
- version/f5 big-ip policy enforcement manager/12.1.5
- version/f5 big-ip policy enforcement manager/13.1.0
- version/f5 big-ip policy enforcement manager/14.0.0
- version/f5 big-ip policy enforcement manager/14.1.0
- version/f5 big-ip policy enforcement manager/15.0.0