CVE-2019-6465: Zone transfer controls for writable DLZ zones were not effective
First published: Wed Feb 20 2019(Updated: )
ISC BIND could allow a remote attacker to obtain sensitive information, caused by the failure to properly apply controls for zone transfers to Dynamically Loadable Zones (DLZs) if the zones are writable. An attacker could exploit this vulnerability to request and receive a zone transfer of a DLZ even when not permitted to do so by the allow-transfer ACL.
Credit: security-officer@isc.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| IBM Data Risk Manager | <=2.0.6 | |
| redhat/bind | <9.11.5 | 9.11.5 |
| redhat/bind | <9.12.3 | 9.12.3 |
| ISC BIND | >=9.9.0<=9.10.7 | |
| ISC BIND | >=9.11.0<=9.11.4 | |
| ISC BIND | >=9.12.0<=9.12.2 | |
| ISC BIND | >=9.13.0<=9.13.6 | |
| ISC BIND | =9.9.3-s1 | |
| ISC BIND | =9.10.8 | |
| ISC BIND | =9.10.8-p1 | |
| ISC BIND | =9.11.5 | |
| ISC BIND | =9.11.5-p1 | |
| ISC BIND | =9.11.5-p2 | |
| ISC BIND | =9.11.5-s3 | |
| ISC BIND | =9.12.3 | |
| ISC BIND | =9.12.3-p1 | |
| ISC BIND | =9.12.3-p2 | |
| Redhat Enterprise Linux | =8.0 |
Remedy
Upgrade to the patched release most closely related to your current version of BIND: >= BIND 9.11.5-P4 >= BIND 9.12.3-P4 BIND Supported Preview Edition is a special feature preview branch of BIND provided to eligible ISC support customers. >= BIND 9.11.5-S5
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/157377
- https://www.ibm.com/support/pages/node/6335281 (Advisory)
- https://kb.isc.org/docs/cve-2019-6465
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1679925
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1679926
- https://access.redhat.com/security/cve/CVE-2019-6465
- https://gitlab.isc.org/isc-projects/bind9/commit/34348d9ee4db15307c6c42db294419b4df569f76
- https://gitlab.isc.org/isc-projects/bind9/commit/2a76f24b14eeb47d5367cc4d7e81240c6e0e2ab8
- https://access.redhat.com/errata/RHSA-2019:3552
- https://access.redhat.com/security/cve/cve-2019-6465
- https://access.redhat.com/errata/RHSA-2020:1061
- https://bugzilla.redhat.com/show_bug.cgi?id=1679304
- collector/nvd-index
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- version/isc bind/9.11.5
- version/isc bind/9.11.5-p1
- version/isc bind/9.11.5-p2
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- version/isc bind/9.12.3
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- version/isc bind/9.12.3-p2
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