CVE-2017-2783 : Security Advisory and Response

A security flaw in Antenna House DMC HTMLFilter, included with MarkLogic 8.0-6, could allow unauthorized code execution via a malicious xls file.

Understanding CVE-2017-2783

This CVE involves a vulnerability in the FillRowFormat feature of Antenna House DMC HTMLFilter.

What is CVE-2017-2783?

The vulnerability allows for heap memory corruption and unauthorized code execution via a specially crafted xls file.
Attackers can exploit this flaw by providing or sending a malicious xls file.

The Impact of CVE-2017-2783

CVSS Score: 8.3 (High)
Severity: High
Attack Vector: Network
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Scope: Changed
Confidentiality, Integrity, and Availability Impact: High
Vulnerability Type: Remote code execution

Technical Details of CVE-2017-2783

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability lies in the FillRowFormat functionality of Antenna House DMC HTMLFilter.
A crafted xls file can trigger heap corruption, leading to arbitrary code execution.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit the vulnerability by providing a malicious xls file.

Mitigation and Prevention

Protect your systems from CVE-2017-2783 with these mitigation strategies.

Immediate Steps to Take

Update Antenna House DMC HTMLFilter to a patched version.
Avoid opening xls files from untrusted sources.

Long-Term Security Practices

Regularly update software and security patches.
Implement network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply security patches provided by Antenna House to address the vulnerability.