CVE-2019-14847 : Vulnerability Insights and Analysis

A vulnerability in Samba versions 4.0.0 to 4.9.15 and 4.10.x to 4.10.10 allows attackers to cause a denial of service on the AD DC LDAP server through dirsync without privilege escalation.

Understanding CVE-2019-14847

What is CVE-2019-14847?

The CVE-2019-14847 vulnerability affects Samba versions 4.0.0 to 4.9.15 and 4.10.x to 4.10.10, enabling attackers to disrupt the AD DC LDAP server using dirsync.

The Impact of CVE-2019-14847

This vulnerability can lead to a denial of service on the AD DC LDAP server but does not provide a pathway for privilege escalation.

Technical Details of CVE-2019-14847

Vulnerability Description

The flaw in Samba versions 4.0.0 to 4.9.15 and 4.10.x to 4.10.10 allows attackers to disrupt the AD DC LDAP server through dirsync.

Affected Systems and Versions

Vendor: Samba
Product: Samba
Affected Versions: samba 4.0.0 before samba 4.9.15, samba 4.10.x before 4.10.10

Exploitation Mechanism

Attackers exploit this vulnerability to cause a denial of service on the AD DC LDAP server through dirsync without gaining additional privileges.

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by Samba promptly.
Monitor security advisories for updates and follow best practices for securing Samba installations.

Long-Term Security Practices

Regularly update Samba software to the latest version.
Implement network segmentation to limit the impact of potential attacks.
Conduct regular security assessments to identify and address vulnerabilities.

Patching and Updates

Ensure timely installation of security patches released by Samba to address the CVE-2019-14847 vulnerability.