Vulnerability CVE-2012-2134
Published: 2014-02-26

Description:
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.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Martin nagy -> Bind-dyndb-ldap 

 References:
http://rhn.redhat.com/errata/RHSA-2012-0683.html
https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html
https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS
https://bugzilla.redhat.com/show_bug.cgi?id=815846
http://www.osvdb.org/81619
http://www.openwall.com/lists/oss-security/2012/04/24/15
http://secunia.com/advisories/48901
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