CVE-2020-27725
First published: Thu Dec 24 2020(Updated: )
In version 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2 of BIG-IP DNS, GTM, and Link Controller, zxfrd leaks memory when listing DNS zones. Zones can be listed via TMSH, iControl or SNMP; only users with access to those services can trigger this vulnerability.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP | >=11.6.1<=11.6.5 | |
| F5 BIG-IP | >=12.1.0<=12.1.5 | |
| F5 BIG-IP | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP | >=15.0.0<15.1.1 | |
| Riverbed SteelApp Traffic Manager | >=11.6.1<=11.6.5 | |
| Riverbed SteelApp Traffic Manager | >=12.1.0<=12.1.5 | |
| Riverbed SteelApp Traffic Manager | >=13.1.0<13.1.3.5 | |
| Riverbed SteelApp Traffic Manager | >=14.1.0<14.1.3.1 | |
| Riverbed SteelApp Traffic Manager | >=15.0.0<15.1.1 | |
| F5 BIG-IP Link Controller | >=11.6.1<=11.6.5 | |
| F5 BIG-IP Link Controller | >=12.1.0<=12.1.5 | |
| F5 BIG-IP Link Controller | >=13.1.0<13.1.3.5 | |
| F5 BIG-IP Link Controller | >=14.1.0<14.1.3.1 | |
| F5 BIG-IP Link Controller | >=15.0.0<15.1.1 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2020-27725?
CVE-2020-27725 has been classified as a Medium severity vulnerability.
How do I fix CVE-2020-27725?
To remediate CVE-2020-27725, you should upgrade your F5 BIG-IP DNS, GTM, or Link Controller to a version that is not affected by this vulnerability.
What versions are affected by CVE-2020-27725?
CVE-2020-27725 affects F5 BIG-IP versions ranging from 11.6.1 to 15.1.0.5, including several intermediate versions.
Can CVE-2020-27725 be exploited remotely?
CVE-2020-27725 requires local access via TMSH, iControl, or SNMP, so it cannot be exploited remotely.
What type of data is leaked in CVE-2020-27725?
CVE-2020-27725 causes a memory leak when listing DNS zones, potentially exposing sensitive data.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/weakness
- agent/last-modified-date
- agent/references
- agent/severity
- agent/author
- agent/first-publish-date
- agent/event
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip
- version/f5 big-ip/11.6.1
- version/f5 big-ip/11.6.5
- 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/14.1.0
- version/f5 big-ip/15.0.0
- canonical/riverbed steelapp traffic manager
- version/riverbed steelapp traffic manager/11.6.1
- version/riverbed steelapp traffic manager/11.6.5
- 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/14.1.0
- version/riverbed steelapp traffic manager/15.0.0
- canonical/f5 big-ip link controller
- version/f5 big-ip link controller/11.6.1
- version/f5 big-ip link controller/11.6.5
- 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/14.1.0
- version/f5 big-ip link controller/15.0.0