CVE-2017-14759 : Exploit Details and Defense Strategies

OpenText Document Sciences xPression (previously known as EMC Document Sciences xPression) v4.5SP1 Patch 13 and older versions are susceptible to an XML External Entity vulnerability that can be exploited by unauthorized users.

Understanding CVE-2017-14759

This CVE involves a security flaw in OpenText Document Sciences xPression that could lead to unauthorized access and potential attacks.

What is CVE-2017-14759?

The vulnerability in OpenText Document Sciences xPression allows unauthorized users to exploit an XML External Entity, potentially gaining access to sensitive information and initiating various attacks.

The Impact of CVE-2017-14759

The vulnerability could result in unauthorized access to directory listings or system files, as well as the ability to launch Server-Side Request Forgery (SSRF) attacks or cause Denial of Service incidents.

Technical Details of CVE-2017-14759

OpenText Document Sciences xPression v4.5SP1 Patch 13 and potentially older versions are affected by this vulnerability.

Vulnerability Description

The vulnerability lies in the /xFramework/services/QuickDoc.QuickDocHttpSoap11Endpoint/ of OpenText Document Sciences xPression, allowing unauthenticated users to read directory listings or system files, and potentially execute SSRF or Denial of Service attacks.

Affected Systems and Versions

Product: OpenText Document Sciences xPression (formerly EMC Document Sciences xPression)
Version: v4.5SP1 Patch 13 and possibly older versions

Exploitation Mechanism

Unauthorized users can exploit the XML External Entity vulnerability to access directory listings or system files, launch SSRF attacks, or cause Denial of Service incidents.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2017-14759.

Immediate Steps to Take

Apply security patches provided by the vendor
Restrict access to vulnerable services
Monitor and analyze network traffic for any suspicious activities

Long-Term Security Practices

Regularly update and patch software to mitigate vulnerabilities
Implement strong access controls and authentication mechanisms
Conduct security assessments and penetration testing to identify and address potential weaknesses

Patching and Updates

Keep the OpenText Document Sciences xPression software up to date with the latest security patches
Stay informed about security advisories and updates from the vendor