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 them was added to the Administrator Reference Manual (ARM) in change #3112, the language that was added to the ARM at that time incorrectly described the behavior of two rule types, krb5-subdomain and ms-subdomain. This incorrect documentation could mislead operators into believing that policies they had configured were more restrictive than they actually were. This affects BIND versions prior to BIND 9.11.5 and BIND 9.12.3.
Published 2019-01-16 20:29:01
Updated 2020-10-20 12:15:13
View at NVD,   CVE.org

Threat overview for CVE-2018-5741

Top countries where our scanners detected CVE-2018-5741
Top open port discovered on systems with this issue 53
IPs affected by CVE-2018-5741 483,915
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2018-5741!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2018-5741

Probability of exploitation activity in the next 30 days: 0.32%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-5741

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
4.0
MEDIUM AV:N/AC:L/Au:S/C:N/I:P/A:N
8.0
2.9
NIST
6.5
MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.8
3.6
NIST
6.5
MEDIUM CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
2.8
3.6
Internet Systems Consortium (ISC)

CWE ids for CVE-2018-5741

  • The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-5741

Products affected by CVE-2018-5741

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