CVE-2023-29057 : Vulnerability Insights and Analysis
Learn about CVE-2023-29057, a privilege escalation vulnerability in Lenovo's XClarity Controller (XCC), allowing valid users to escalate their permissions under specific configurations. Mitigation strategies and prevention steps provided.
A privilege escalation vulnerability has been identified in Lenovo's XClarity Controller (XCC). When LDAP is configured for authentication/authorization and logins are set as "Local First, then LDAP," a valid XCC user's local account permissions can override their active directory permissions, potentially leading to privilege escalation.
Understanding CVE-2023-29057
This section will provide insights into the vulnerability and its impact.
What is CVE-2023-29057?
The vulnerability in CVE-2023-29057 allows a valid XCC user to escalate their privileges by overriding their active directory permissions under specific configurations involving LDAP and login settings.
The Impact of CVE-2023-29057
The impact of this vulnerability is rated as HIGH, with a CVSS v3.1 base score of 7.3. Attackers can exploit this issue to escalate their privileges, posing a significant risk to affected systems.
Technical Details of CVE-2023-29057
This section will delve into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from the improper handling of user permissions, allowing for privilege escalation by legitimate XCC users under specific LDAP and login configurations.
Affected Systems and Versions
The vulnerability affects Lenovo's XClarity Controller (XCC) versions. For specific version information, refer to the mitigation strategy outlined in Lenovo's security advisory LEN-118321.
Exploitation Mechanism
To exploit CVE-2023-29057, attackers need network access and user interaction on affected systems. By manipulating local account permissions, they can escalate their privileges.
Mitigation and Prevention
This section will cover the steps to mitigate and prevent exploitation of the vulnerability.
Immediate Steps to Take
Users are advised to update to the version of Lenovo XClarity Controller (XCC) specified in the Lenovo Product Security Advisory LEN-118321 to address the vulnerability promptly.
Long-Term Security Practices
In the long term, organizations should enforce least privilege principles, regularly monitor and audit user permissions, and stay informed about security updates.
Patching and Updates
Regularly applying security patches and updates from Lenovo is crucial for safeguarding systems against known vulnerabilities like CVE-2023-29057.