Martin Nagy bind-dyndb-ldap 0.1.0/0.2.0/1.0.0/1.1.0 ldap_helper.c handle_connection_error resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Martin Nagy bind-dyndb-ldap 0.1.0/0.2.0/1.0.0/1.1.0. Affected by this issue is the function handle_connection_error of the file ldap_helper.c. Such manipulation leads to resource management. This vulnerability is uniquely identified as CVE-2012-2134. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Martin Nagy bind-dyndb-ldap 0.1.0/0.2.0/1.0.0/1.1.0 (Directory Service Software) and classified as problematic. Affected by this issue is the function handle_connection_error of the file ldap_helper.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

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.

The weakness was disclosed 02/26/2014 with Red Hat Security Response Team (Website). The advisory is shared for download at rhn.redhat.com. This vulnerability is handled as CVE-2012-2134 since 04/04/2012. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68530 (Oracle Linux 6 : bind-dyndb-ldap (ELSA-2012-0683)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120239 (Red Hat Update for bind-dyndb-ldap (RHSA-2012:0683)).

Upgrading to version 1.1.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (75164), Tenable (68530), SecurityFocus (BID 53236†), OSVDB (81619†) and Secunia (SA48901†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68530
Nessus Name: Oracle Linux 6 : bind-dyndb-ldap (ELSA-2012-0683)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881069
OpenVAS Name: CentOS Update for bind-dyndb-ldap CESA-2012:0683 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bind-dyndb-ldap 1.1.0

Timelineinfo

04/04/2012 🔍
04/24/2012 +20 days 🔍
04/24/2012 +0 days 🔍
04/25/2012 +1 days 🔍
05/29/2012 +34 days 🔍
07/12/2013 +409 days 🔍
02/26/2014 +229 days 🔍
02/26/2014 +0 days 🔍
03/24/2015 +391 days 🔍
04/12/2025 +3672 days 🔍

Sourcesinfo

Advisory: RHSA-2012:0683
Organization: Red Hat Security Response Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-2134 (🔍)
GCVE (CVE): GCVE-0-2012-2134
GCVE (VulDB): GCVE-100-66452

OVAL: 🔍

X-Force: 75164
SecurityFocus: 53236 - Bind DynDB LDAP 'bind-dyndb-ldap' Package Remote Denial of Service Vulnerability
Secunia: 48901 - bind-dyndb-ldap DNS Query Processing Denial of Service Vulnerability, Less Critical
OSVDB: 81619
Vulnerability Center: 35202 - Bind DynDB LDAP Remote Denial of Service Vulnerability, High

Entryinfo

Created: 03/24/2015 15:54
Updated: 04/12/2025 15:49
Changes: 03/24/2015 15:54 (65), 04/13/2017 12:46 (14), 02/01/2022 23:44 (3), 02/01/2022 23:56 (1), 01/02/2025 11:24 (22), 04/12/2025 15:49 (1)
Complete: 🔍
Cache ID: 216::103

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