CVE-2023-49147 involves a privilege escalation flaw in PDF24 Creator 11.14.0, allowing local attackers to gain elevated privileges. Learn about the impact and mitigation steps.
An issue was discovered in PDF24 Creator 11.14.0 where the MSI installer file configuration results in a visible cmd.exe window during the repair function of msiexec.exe. This vulnerability allows an unprivileged local attacker to escalate privileges to access a SYSTEM cmd.exe.
Understanding CVE-2023-49147
This CVE highlights a privilege escalation vulnerability in the PDF24 Creator 11.14.0 software.
What is CVE-2023-49147?
CVE-2023-49147 involves the improper configuration of the MSI installer file in PDF24 Creator 11.14.0, leading to a local privilege escalation issue.
The Impact of CVE-2023-49147
This vulnerability enables an unprivileged local attacker to use a sequence of actions to execute commands with elevated privileges, potentially compromising the affected system.
Technical Details of CVE-2023-49147
This section delves into the specifics of the vulnerability.
Vulnerability Description
The vulnerability arises due to the production of a visible cmd.exe window during certain operations, allowing attackers to exploit this behavior.
Affected Systems and Versions
The issue affects PDF24 Creator version 11.14.0. However, further analysis may reveal susceptibility in other versions as well.
Exploitation Mechanism
Attackers can leverage a chain of actions, such as an oplock on faxPrnInst.log, to escalate privileges and gain access to a SYSTEM cmd.exe.
Mitigation and Prevention
Protecting systems from CVE-2023-49147 involves immediate actions and long-term security practices.
Immediate Steps to Take
Users should avoid using the repair function of msiexec.exe until a patch or fix is available. It is crucial to monitor system activities for any signs of unauthorized access.
Long-Term Security Practices
Implementing the principle of least privilege, regular security audits, and educating users on safe computing practices are essential in mitigating similar vulnerabilities.
Patching and Updates
Stay informed about security advisories from PDF24 Creator and apply patches or updates promptly to address CVE-2023-49147.