69568 : ISC BIND named allow-query ACL Restriction Bypass
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Timeline

Disclosure Date
2010-12-01

Description

ISC BIND named contains a flaw related to the allowing of queries. If the 'allow-query' ACL is not set properly in the zone statement, it does not check the 'view' or 'global' options before defaulting to allowing queries. This issue may allow a remote attacker to bypass query restrictions.

Classification

Location: Remote / Network Access
Attack Type: Misconfiguration
Impact: Loss of Integrity
Solution: Workaround, Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 9.7.2-P3 or higher, as it has been reported to fix this vulnerability. It is also possible to temporarily work around the flaw by implementing the following workaround: Put the allow-query ACL in each zone statement.

Products

Internet Systems Consortium, Inc.
BIND
9.7.2-P2

References

Tools & Filters

50976 54895
5718

Credit

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2010-12-06 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0

Comments

No Comments.

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