CVE-2017-2795 : What You Need to Know

A significant vulnerability in the Txo feature of Antenna House DMC HTMLFilter, affecting MarkLogic 8.0-6, allows for remote code execution via a specially crafted XLS file.

Understanding CVE-2017-2795

This CVE involves a heap corruption vulnerability that can be exploited to execute arbitrary code.

What is CVE-2017-2795?

The vulnerability in Antenna House DMC HTMLFilter's Txo feature, as used by MarkLogic 8.0-6, enables attackers to execute arbitrary code through a malicious XLS file.

The Impact of CVE-2017-2795

CVSS Base Score: 8.3 (High)
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Scope: Changed
This vulnerability poses a significant risk as it allows remote code execution.

Technical Details of CVE-2017-2795

The technical aspects of the vulnerability.

Vulnerability Description

The vulnerability involves heap corruption in the Txo functionality of Antenna House DMC HTMLFilter.
It can be exploited by a specially crafted XLS file to execute arbitrary code.

Affected Systems and Versions

Product: DMC HTMLFilter
Vendor: Antenna House
Versions Affected: as shipped with MarkLogic 8.0-6

Exploitation Mechanism

Attackers can exploit this vulnerability by sending or providing a malicious XLS file.

Mitigation and Prevention

Steps to mitigate and prevent exploitation.

Immediate Steps to Take

Apply security patches provided by the vendor.
Avoid opening XLS files from untrusted or unknown sources.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Conduct security training for employees to raise awareness of phishing and malicious file threats.

Patching and Updates

Stay informed about security updates and patches released by Antenna House.
Regularly check for updates and apply them promptly.