CVE-2017-5965 : What You Need to Know

In Sitecore CRM 8.1 Rev 151207, a vulnerability exists in the package manager that allows remote authenticated administrators to execute arbitrary ASP code. By manipulating a ZIP archive and visiting specific URLs, an attacker can run malicious code on the system.

Understanding CVE-2017-5965

This CVE involves a security issue in Sitecore CRM 8.1 Rev 151207 that enables remote authenticated administrators to execute ASP code through a crafted ZIP archive.

What is CVE-2017-5965?

The vulnerability in Sitecore CRM 8.1 Rev 151207 allows administrators with remote authentication to execute ASP code by creating a specially crafted ZIP archive.

The Impact of CVE-2017-5965

The exploitation of this vulnerability can lead to unauthorized execution of ASP code by remote authenticated administrators, potentially compromising the integrity and security of the system.

Technical Details of CVE-2017-5965

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The package manager in Sitecore CRM 8.1 Rev 151207 allows remote authenticated administrators to execute arbitrary ASP code by manipulating a ZIP archive and visiting specific URLs.

Affected Systems and Versions

Product: Sitecore CRM 8.1 Rev 151207
Vendor: Sitecore
Versions: All versions are affected

Exploitation Mechanism

The exploitation involves the following steps:

Create a ZIP archive with a .asp file containing ..\ in its pathname.
Upload the ZIP file to sitecore/shell/applications/install/dialogs/Upload%20Package/UploadPackage2.aspx.
Extract the contents of the ZIP file.
Execute the .asp file by visiting a specific URI under sitecore/.

Mitigation and Prevention

Protecting systems from CVE-2017-5965 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor and restrict access to critical system components.
Educate administrators on secure coding practices.

Long-Term Security Practices

Regularly update and patch software to address known vulnerabilities.
Implement strong authentication mechanisms for remote access.
Conduct security audits and penetration testing regularly.

Patching and Updates

Ensure that the affected system is updated with the latest patches provided by Sitecore to mitigate the vulnerability.