Debian nss-ldap up to 0.6.7 LDAP Server access control

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Debian nss-ldap up to 0.6.7. Affected by this issue is some unknown functionality of the component LDAP Server. Such manipulation leads to access control. This vulnerability is traded as CVE-2009-1073. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Debian nss-ldap up to 0.6.7 (Directory Service Software) and classified as problematic. Affected by this issue is an unknown code block of the component LDAP Server. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality. CVE summarizes:

nss-ldapd before 0.6.8 uses world-readable permissions for the /etc/nss-ldapd.conf file, which allows local users to obtain a cleartext password for the LDAP server by reading the bindpw field.

The bug was discovered 03/20/2009. The weakness was shared 03/31/2009 (Website). The advisory is shared for download at debian.org. This vulnerability is handled as CVE-2009-1073 since 03/24/2009. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 36067 (Debian DSA-1758-1 : nss-ldapd - insecure config file creation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175183 (Debian Security Update for Nss-ldapd (DSA-1758)).

Upgrading to version 0.4.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49394), Tenable (36067), SecurityFocus (BID 34211†), OSVDB (53198†) and Secunia (SA34523†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.2
VulDB Temp Score: 5.9
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: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 36067
Nessus Name: Debian DSA-1758-1 : nss-ldapd - insecure config file creation
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63730
OpenVAS Name: Debian Security Advisory DSA 1758-1 (nss-ldapd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: nss-ldap 0.4.1

Timelineinfo

03/20/2009 🔍
03/23/2009 +3 days 🔍
03/24/2009 +1 days 🔍
03/30/2009 +6 days 🔍
03/31/2009 +1 days 🔍
03/31/2009 +0 days 🔍
03/31/2009 +0 days 🔍
03/31/2009 +0 days 🔍
04/01/2009 +1 days 🔍
04/06/2009 +5 days 🔍
03/17/2015 +2171 days 🔍
04/19/2025 +3686 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: debian.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-1073 (🔍)
GCVE (CVE): GCVE-0-2009-1073
GCVE (VulDB): GCVE-100-47444

OVAL: 🔍

X-Force: 49394
SecurityFocus: 34211 - PADL nss_ldap '/etc/nss_ldapd.conf' Local Information Disclosure Vulnerability
Secunia: 34523 - Debian update for nss-ldapd, Less Critical
OSVDB: 53198 - Padl - nss_ldap - '.etc.nss_ldapd.conf' Local Information Disclosure Issue
Vulnerability Center: 21483 - nss-ldapd < 0.6.8 World-Readable Permissions for the /etc/nss-ldapd.conf File, Low

Entryinfo

Created: 03/17/2015 23:38
Updated: 04/19/2025 23:24
Changes: 03/17/2015 23:38 (79), 08/31/2019 18:43 (4), 04/19/2025 23:24 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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