Security restrictions bypass in ISC BIND - CVE-2018-5741

 

Security restrictions bypass in ISC BIND - CVE-2018-5741

Published: November 23, 2018 / Updated: November 24, 2018


Vulnerability identifier: #VU16033
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-5741
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ISC
Affected software:
ISC BIND

Detailed vulnerability description

The vulnerability allows a remote authenticated attacker to bypass security restrictions on the target system.

The vulnerability exists due to an error in the documentation of the 'update-policy' feature for the 'krb5-subdomain' and 'ms-subdomain' update policies. A remote attacker can bypass security restrictions to modify records in the zone at or below the name specified in the name field.


How to mitigate CVE-2018-5741

The vulnerability has been addressed in the versions 9.11.5, 9.12.3.

Sources