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CVE Database

CVE-2012-2134

Impact: Important
Public: 2012-04-24
Bugzilla: 815846: CVE-2012-2134 bind-dyndb-ldap: Bind DoS (named hang) by processing DNS query for zone served by bind-dyndb-ldap

Details

The MITRE CVE dictionary describes this issue as:

The handle_connection_error function in ldap_helper.c in bind-dyndb-ldap before 1.1.0rc1 does not properly handle LDAP query errors, which allows remote attackers to cause a denial of service (infinite loop and named server hang) via a non-alphabet character in the base DN in an LDAP search DNS query.

Find out more about CVE-2012-2134 from the MITRE CVE dictionary and NIST NVD.

CVSS v2 metrics

Base Score: 4.3
Base Metrics: AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector: Network
Access Complexity: Medium
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat security errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (bind-dyndb-ldap) RHSA-2012:0683 May 21, 2012

External References

Acknowledgements

Red Hat would like to thank Ronald van Zantvoort for reporting this issue.

This page is generated automatically and has not been checked for errors or omissions.

For clarification or corrections please contact the Red Hat Security Response Team.