CVE-2010-0218: Unexpected ACL Behavior in BIND 9.7.2

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 9 Security Vulnerability Matrix for a complete listing of Security Vulnerabilities and versions affected.

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

ISC Security Vulnerability Disclosure Policy: Details of our current security advisory policy and practice can be found in our Software Defect and Security Vulnerability Disclosure Policy.

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