SARA / Free Tools / CVE / CVE-2018-5741

CVE-2018-5741 — To provide fine-grained controls over the ability to use Dynamic DNS (DDNS) to u

To provide fine-grained controls over the ability to use Dynamic DNS (DDNS) to update records in a zone, BIND 9 provides a feature called update-policy. Various rules can be configured to limit the types of updates that can be performed by a client, depending on the key used when

CVSS
6.5 MEDIUM
EPSS
0.97% (top 23.60%)
CWE
—
Published
2019-01-16T20:00:00.000Z
Last modified
2024-09-17T02:26:39.095Z
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

01What is this vulnerability?

To provide fine-grained controls over the ability to use Dynamic DNS (DDNS) to update records in a zone, BIND 9 provides a feature called update-policy. Various rules can be configured to limit the types of updates that can be performed by a client, depending on the key used when sending the update request. Unfortunately, some rule types were not initially documented, and when documentation for…

02Affected products

VendorProductVersions
ISCBIND 9BIND 9 Versions prior to BIND 9.11.5 and BIND 9.12.3

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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