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CVE-2010-0218: Unexpected ACL Behavior in BIND 9.7.2
Author: Cathy Almond Reference Number: AA-00934 Views: 1563 Created: 2013-05-23 22:40 Last Updated: 2013-05-23 22:40 0 Rating/ Voters

Wrong ACL applied.

CVE: 
CVE-2010-0218  
Posting date: 
28 Sep 2010
Program Impacted: 
BIND
Versions affected: 
9.7.2 through 9.7.2-P1
Severity: 
Low
Exploitable: 
Remotely

Description:

There was a flaw where the wrong ACL was applied. This flaw could allow access to a cache via recursion even though the ACL disallowed it.

Risk Assessment:

This bug is primarily a risk to operators running both authoritative and recursive DNS on the same BIND server in the same view.

Workarounds:

Upgrade to BIND 9.7.2-P2. No other workaround is currently known.

Active exploits:

None known at this time.

Solution:

Upgrade to BIND 9.7.2-P2. No other workaround is currently known.

Acknowledgements: Thank you to Alexandre Simon for finding and testing this issue.

Related Documents:

See our BIND Security Matrix for a complete listing of Security Vulnerabilities and versions affected.

If you'd like more information on our Forum or product support please visit www.isc.org/support.

Do you still have questions?  Questions regarding this advisory should go to security-officer@isc.org

Note: ISC patches only currently supported versions. When possible we indicate EOL versions affected. 

ISC Security Vulnerability Disclosure Policy:  Details of our current security advisory policy and practice can be found here: https://www.isc.org/security-vulnerability-disclosure-policy

This Knowledge Base article https://kb.isc.org/article/AA-00934 is the complete and official security advisory document.

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