CVE-2017-1000481 Explained : Impact and Mitigation

Plone vulnerability allowing open redirection on login form.

Understanding CVE-2017-1000481

Plone versions 2.5 to 5.1rc1 are susceptible to a security flaw that enables attackers to redirect users to malicious sites.

What is CVE-2017-1000481?

The vulnerability in Plone's login process permits attackers to manipulate redirection, potentially leading users to malicious websites under the guise of a legitimate Plone site.

The Impact of CVE-2017-1000481

The vulnerability could result in users unknowingly accessing malicious sites, believing they are on the authentic Plone platform, and potentially executing harmful JavaScript.

Technical Details of CVE-2017-1000481

Plone's open redirection vulnerability and its implications.

Vulnerability Description

Plone's login mechanism allows attackers to craft links that redirect users to malicious sites, exploiting the 'came_from' parameter and bypassing Plone's security measures.

Affected Systems and Versions

Plone versions 2.5 to 5.1rc1

Exploitation Mechanism

Attackers entice users to click on specially crafted links, manipulating the redirection process to lead users to malicious sites.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2017-1000481.

Immediate Steps to Take

Apply the hotfix provided by Plone to address the vulnerability.
Educate users about the risks of clicking on unknown links.

Long-Term Security Practices

Regularly update Plone to the latest version to patch security vulnerabilities.
Implement security measures to detect and prevent open redirection attacks.

Patching and Updates

Stay informed about security updates and patches released by Plone to address vulnerabilities.