CVE-2020-8023 : Security Advisory and Response

A detailed description of the CVE-2020-8023 vulnerability affecting various SUSE and openSUSE products.

Understanding CVE-2020-8023

This CVE involves a local privilege escalation vulnerability in openldap2, impacting multiple SUSE and openSUSE products.

What is CVE-2020-8023?

The vulnerability allows local attackers to escalate privileges from user ldap to root by exploiting the start script of openldap2.

The Impact of CVE-2020-8023

CVSS Score: 7.7 (High Severity)
Attack Vector: Local
Confidentiality Impact: High
Integrity Impact: High
Privileges Required: None
Scope: Unchanged
User Interaction: None
Availability Impact: None

Technical Details of CVE-2020-8023

Vulnerability Description

The vulnerability lies in the start script of openldap2, allowing local attackers to escalate privileges.

Affected Systems and Versions

SUSE Enterprise Storage 5: openldap2 < 2.4.41-18.71.2
SUSE Linux Enterprise Debuginfo 11-SP3: openldap2 < 2.4.26-0.74.13.1
SUSE Linux Enterprise Server 15-LTSS: openldap2 < 2.4.46-9.31.1
And more (refer to the CVE data for the full list)

Exploitation Mechanism

Attack Complexity: Low
Vector: Local

Mitigation and Prevention

Immediate Steps to Take

Apply patches provided by SUSE to update openldap2 to secure versions.
Monitor for any unauthorized privilege escalations.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement the principle of least privilege to restrict user access.

Patching and Updates

SUSE has released patches for the affected products. Ensure timely installation to mitigate the vulnerability.