CVE-2018-14628 : Security Advisory and Response

A potential vulnerability related to information leakage has been detected in the LDAP server of Samba due to the absence of proper access control checks.

Understanding CVE-2018-14628

This CVE identifies a security flaw in the LDAP server of Samba that could allow an attacker with authenticated but limited privileges to access deleted object identities and attributes within the LDAP store.

What is CVE-2018-14628?

The vulnerability in the LDAP server of Samba allows unauthorized access to deleted object information, potentially leading to information leakage.

The Impact of CVE-2018-14628

The vulnerability could be exploited by attackers with limited privileges to access sensitive information, compromising the confidentiality of data stored in the LDAP server.

Technical Details of CVE-2018-14628

Vulnerability Description

The issue arises from inadequate access control checks in the LDAP server of Samba, enabling unauthorized access to deleted object identities and attributes.

Affected Systems and Versions

Vendor: n/a
Product: Samba
Affected Versions: All versions from 4.0.0 onwards

Exploitation Mechanism

Attackers with authenticated but restricted privileges can exploit this vulnerability to access and reveal deleted object identities and attributes within the LDAP store.

Mitigation and Prevention

Immediate Steps to Take

Apply vendor patches and updates promptly to address the vulnerability.
Monitor LDAP server logs for any suspicious activities indicating unauthorized access.

Long-Term Security Practices

Implement strict access control policies to limit user privileges within the LDAP server.
Regularly review and update security configurations to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and updates from Samba and related vendors to apply patches as soon as they are available.