OpenLDAP up to 2.1.16 back-ldbm passwd.c slap_passwd_parse null termination

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in OpenLDAP. Impacted is the function slap_passwd_parse of the file passwd.c of the component back-ldbm. Executing a manipulation can lead to null termination. This vulnerability is tracked as CVE-2003-1201. No exploit exists. Additional authentication should be implemented.

Detailsinfo

A vulnerability was found in OpenLDAP (Directory Service Software). It has been declared as problematic. This vulnerability affects the function slap_passwd_parse of the file passwd.c of the component back-ldbm. The manipulation with an unknown input leads to a null termination vulnerability. The CWE definition for the vulnerability is CWE-170. The product does not terminate or incorrectly terminates a string or array with a null character or equivalent terminator. As an impact it is known to affect availability. CVE summarizes:

ldbm_back_exop_passwd in the back-ldbm backend in passwd.c for OpenLDAP 2.1.12 and earlier, when the slap_passwd_parse function does not return LDAP_SUCCESS, attempts to free an uninitialized pointer, which allows remote attackers to cause a denial of service (segmentation fault).

The weakness was disclosed 03/20/2003 by Ralf Haferkamp (Website). The advisory is shared for download at distro.conectiva.com.br. This vulnerability was named CVE-2003-1201 since 05/04/2005. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 14463 (GLSA-200403-12 : OpenLDAP DoS Vulnerability), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

It is possible to mitigate the problem by adding an authentication mechanism.

The vulnerability is also documented in the databases at X-Force (12520), Tenable (14463), SecurityFocus (BID 7656†), OSVDB (17000†) and Secunia (SA9203†). The entry VDB-22941 is pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
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: Null termination
CWE: CWE-170 / CWE-119
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: 14463
Nessus Name: GLSA-200403-12 : OpenLDAP DoS Vulnerability
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 54537
OpenVAS Name: Gentoo Security Advisory GLSA 200403-12 (openldap)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Authentication
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/20/2003 🔍
03/20/2003 +0 days 🔍
03/20/2003 +0 days 🔍
05/20/2003 +61 days 🔍
07/09/2003 +50 days 🔍
08/30/2004 +418 days 🔍
05/04/2005 +247 days 🔍
05/17/2005 +12 days 🔍
12/30/2010 +2053 days 🔍
08/08/2014 +1317 days 🔍
06/28/2021 +2516 days 🔍

Sourcesinfo

Advisory: distro.conectiva.com.br
Researcher: Ralf Haferkamp
Status: Not defined
Confirmation: 🔍

CVE: CVE-2003-1201 (🔍)
GCVE (CVE): GCVE-0-2003-1201
GCVE (VulDB): GCVE-100-20212
X-Force: 12520
SecurityFocus: 7656 - OpenLDAP LDBM_Back_Exop_Passwd Denial Of Service Vulnerability
Secunia: 9203 - Conectiva update for OpenLDAP, Moderately Critical
OSVDB: 17000 - OpenLDAP back-ldbm ldbm_back_exop_passwd Function Local DoS
Vulnerability Center: 28885 - Passwd.c for OpenLDAP 2.1.12 and Earlier Remote Denial of Service Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 08/08/2014 11:35
Updated: 06/28/2021 13:26
Changes: 08/08/2014 11:35 (66), 03/12/2017 17:18 (14), 06/28/2021 13:26 (3)
Complete: 🔍
Cache ID: 216::103

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