CVE-2007-2925: allow-query-cache/allow-recursion default acls not set
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CVE-2007-2925: allow-query-cache/allow-recursion default acls not set

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Article summary

The default access control lists (acls) are not being correctly set.

CVE: 

CVE-2007-2925 

Posting date: 

24 Jul 2007

Program Impacted: 

BIND

Versions affected: 

9.4.0, 9.4.1, 9.5.0a1, 9.5.0a2, 9.5.0a3, 9.5.0a4, 9.5.0a5 

Severity: 

Medium

Exploitable: 

Remotely

Description:

The default access control lists (acls) are not being correctly set. If not set anyone can make recursive queries and/or query the cache contents.

Workarounds:

                Explicitly set allow-query-cache and allow-recursion acl's if not already set to:

{ localnets; localhost; };

If recursion is supposed to be allowed to local clients (default).

options {recursion yes; // defaultallow-recursion { localnets; localhost; };allow-query-cache { localnets; localhost; };...};

If recursion is disallowed.

options {recursion no;allow-query-cache { localnets; localhost; };...};

Active exploits:

None known at this time.

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-00920 is the complete and official security advisory document.

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