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CVE-2012-2134

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Date: February 26, 2014

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.

Language: C

Severity Score

Related Resources (10)

http://secunia.com/advisories/48901
https://access.redhat.com/security/cve/CVE-2012-2134
http://rhn.redhat.com/errata/RHSA-2012-0683.html
https://nvd.nist.gov/vuln/detail/CVE-2012-2134
https://git.fedorahosted.org/cgit/bind-dyndb-ldap.git/tree/NEWS
https://www.redhat.com/archives/freeipa-users/2012-April/msg00144.html
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
https://www.mend.io/vulnerability-database/CVE-2012-2134

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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