CVE-2019-19741 Explained : Impact and Mitigation
Learn about CVE-2019-19741 affecting Electronic Arts Origin 10.5.55.33574, allowing local privilege escalation through arbitrary directory DACL manipulation. Find mitigation steps and long-term security practices.
Electronic Arts Origin 10.5.55.33574 has a security vulnerability allowing local users to gain elevated privileges through arbitrary directory DACL manipulation.
Understanding CVE-2019-19741
What is CVE-2019-19741?
The vulnerability in Electronic Arts Origin 10.5.55.33574 enables local privilege escalation by manipulating directory DACL, distinct from other CVEs.
The Impact of CVE-2019-19741
The vulnerability allows local users to escalate privileges by altering directory DACL, potentially leading to unauthorized access and control of system resources.
Technical Details of CVE-2019-19741
Vulnerability Description
- Origin.exe connects to OriginClientService pipe without verifying in-memory process authenticity
- Data transmitted over the pipe is encrypted with a fixed key
- Exploitation involves intercepting EVP_EncryptUpdate() function of libeay32.dll
- Manipulation of DACL is achieved by creating hard links and replacing directories
Affected Systems and Versions
- Product: Electronic Arts Origin 10.5.55.33574
- Vendor: Electronic Arts
- Version: 10.5.55.33574
Exploitation Mechanism
- DLL injection can alter in-memory process, bypassing executable file verification
- Interception of CreateDirectory command allows DACL manipulation
Mitigation and Prevention
Immediate Steps to Take
- Monitor system for unauthorized changes and access
- Implement least privilege access controls
- Regularly update security patches and software
Long-Term Security Practices
- Conduct regular security audits and vulnerability assessments
- Educate users on safe computing practices
Patching and Updates
- Apply security patches provided by Electronic Arts to address the vulnerability