CVE-2018-5737 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.

What is CVE-2018-5737?

CVE-2018-5737 is a medium-severity vulnerability in Isc Bind, published on 16 Jan 2019.

Official 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.

Weakness: CWE-617

Which versions are affected by CVE-2018-5737?

It affects 3 products.

Products include Isc Bind, Netapp Cloud Backup, Netapp Data Ontap Edge.

How do I fix CVE-2018-5737?

Upgrade to a fixed version.

Is CVE-2018-5737 being exploited?

There is no known exploitation of CVE-2018-5737 in the wild and no public exploit code.

Other vulnerabilities in Isc Bind

• CVE-2008-0122 Memory corruption in n/a Critical 10.0
• CVE-2001-0010 Memory corruption in n/a Critical 10.0
• CVE-2001-0011 Memory corruption in n/a Critical 10.0
• CVE-2001-0013 Memory corruption in n/a Critical 10.0
• CVE-2000-1029 Memory corruption in n/a Critical 10.0

All Isc Bind vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2018-5737, GHSA-9cxr-pmg7-9w5v.