CVE-2017-2793 : Security Advisory and Response
Learn about CVE-2017-2793, a high-severity vulnerability in Antenna House DMC HTMLFilter, allowing remote code execution via a specially crafted XLS file. Find mitigation steps and preventive measures here.
A vulnerability in the UnCompressUnicode feature in Antenna House DMC HTMLFilter, as utilized by MarkLogic 8.0-6, can lead to remote code execution through a specially crafted XLS file.
Understanding CVE-2017-2793
This CVE involves a heap corruption vulnerability in Antenna House DMC HTMLFilter, potentially allowing arbitrary code execution.
What is CVE-2017-2793?
- The vulnerability in the UnCompressUnicode feature of Antenna House DMC HTMLFilter can be exploited via a malicious XLS file to cause heap corruption and execute arbitrary code.
The Impact of CVE-2017-2793
- CVSS Base Score: 8.3 (High)
- Attack Vector: Network
- Attack Complexity: High
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
- Scope: Changed
- This vulnerability can be exploited remotely, potentially leading to unauthorized code execution.
Technical Details of CVE-2017-2793
This section provides detailed technical information about the vulnerability.
Vulnerability Description
- The vulnerability allows an attacker to exploit the UnCompressUnicode feature in Antenna House DMC HTMLFilter, leading to heap corruption and arbitrary code execution.
Affected Systems and Versions
- Affected Product: DMC HTMLFilter
- Vendor: Antenna House
- Affected Version: as shipped with MarkLogic 8.0-6
Exploitation Mechanism
- Attackers can exploit this vulnerability by sending or providing a specially crafted XLS file to trigger heap corruption and execute arbitrary code.
Mitigation and Prevention
Protecting systems from CVE-2017-2793 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement network security measures to prevent unauthorized access.
- Educate users about the risks of opening files from unknown or untrusted sources.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and mitigate potential risks.
Patching and Updates
- Stay informed about security updates and patches released by Antenna House for DMC HTMLFilter.