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Overview

Vulnerability Score 4.3 4.3
CVE Id CVE-2012-2134
Last Modified 10 Mar 2014 03:18:05
Published 26 Feb 2014 10:55:08
Confidentiality Impact NONE NONE
Integrity Impact NONE NONE
Availability Impact PARTIAL PARTIAL
Access Vector NETWORK
Access Complexity MEDIUM
Authentication NONE

CVE-2012-2134

Summary

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.

Vulnerable Systems

Application

  • Martin Nagy Bind-dyndb-ldap 0.1.0

  • Martin Nagy Bind-dyndb-ldap 0.2.0

  • Martin Nagy Bind-dyndb-ldap 1.0.0

  • Martin Nagy Bind-dyndb-ldap 1.1.0


References

MLIST - [Freeipa-users] 20120424 named-dyndb-ldap looses connection when the LDAP server is under high load

CONFIRM - https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS

CONFIRM - https://bugzilla.redhat.com/show_bug.cgi?id=815846

OSVDB - 81619

MLIST - [oss-security] 20140424 Re: CVE Request -- bind-dyndb-ldap: Bind DoS (named hang) by processing DNS query for zone served by bind-dyndb-ldap

SECUNIA - 48901

REDHAT - RHSA-2012:0683


Last Updated: 27 May 2016 10:55:15