CVE-2017-11903 : Security Advisory and Response
Learn about CVE-2017-11903 affecting Internet Explorer on various Microsoft Windows versions, allowing attackers to gain user privileges and execute remote code. Find mitigation steps and long-term security practices.
Internet Explorer in Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to gain the same user rights as the current user. This vulnerability is known as the 'Scripting Engine Memory Corruption Vulnerability'.
Understanding CVE-2017-11903
This CVE affects Internet Explorer on various versions of Microsoft Windows, potentially leading to remote code execution.
What is CVE-2017-11903?
- Identified in Internet Explorer on multiple Microsoft Windows versions
- Allows attacker to obtain user privileges of the logged-in user
- Vulnerability in how Internet Explorer handles objects in memory
The Impact of CVE-2017-11903
- Enables attackers to execute remote code on affected systems
- Risk of potential memory corruption within the scripting engine
Technical Details of CVE-2017-11903
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
- Type: Remote Code Execution
- Exploits the way Internet Explorer manages memory objects
Affected Systems and Versions
- Internet Explorer on Microsoft Windows 7 SP1, Windows Server 2008 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703, 1709, and Windows Server 2016
Exploitation Mechanism
- Attackers can exploit the memory corruption vulnerability to execute arbitrary code remotely
Mitigation and Prevention
Protecting systems from CVE-2017-11903 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Microsoft
- Consider disabling Internet Explorer if not essential
- Educate users on safe browsing practices
Long-Term Security Practices
- Keep systems updated with the latest security patches
- Implement network segmentation to limit the impact of potential attacks
- Use alternative browsers with better security features
Patching and Updates
- Regularly check for and apply security updates from Microsoft
- Monitor official sources for any new information or patches