Vulnerability Description
A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction between the serve-stale feature and NSEC aggressive negative caching can in some cases cause undesirable behavior from named, such as a recursion loop or excessive logging. Deliberate exploitation of this condition could cause operational problems depending on the particular manifestation -- either degradation or denial of service. Affects BIND 9.12.0 and 9.12.1.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Isc | Bind | 9.12.0 |
| Netapp | Cloud Backup | - |
| Netapp | Data Ontap Edge | - |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104236Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040942Third Party AdvisoryVDB Entry
- https://kb.isc.org/docs/aa-01606Vendor Advisory
- https://security.netapp.com/advisory/ntap-20180926-0004/Third Party Advisory
- http://www.securityfocus.com/bid/104236Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040942Third Party AdvisoryVDB Entry
- https://kb.isc.org/docs/aa-01606Vendor Advisory
- https://security.netapp.com/advisory/ntap-20180926-0004/Third Party Advisory
FAQ
What is CVE-2018-5737?
CVE-2018-5737 is a vulnerability with a CVSS score of 5.9 (MEDIUM). A problem with the implementation of the new serve-stale feature in BIND 9.12 can lead to an assertion failure in rbtdb.c, even when stale-answer-enable is off. Additionally, problematic interaction b...
How severe is CVE-2018-5737?
CVE-2018-5737 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5737?
Check the references section above for vendor advisories and patch information. Affected products include: Isc Bind, Netapp Cloud Backup, Netapp Data Ontap Edge.