CVE-2022-23599 : Exploit Details and Defense Strategies

Products.ATContentTypes in Plone 2.1 - 4.3 is vulnerable to reflected cross-site scripting and open redirect due to cache poisoning, impacting anonymous users.

Understanding CVE-2022-23599

This CVE highlights the vulnerability in Products.ATContentTypes that allows an attacker to exploit reflected cross-site scripting and open redirect.

What is CVE-2022-23599?

Products.ATContentTypes in Plone 2.1 - 4.3 are susceptible to reflected cross-site scripting and open redirect attacks when a compromised version of the image_view_fullscreen page is cached, enabling the attacker to redirect visitors.

The Impact of CVE-2022-23599

This vulnerability poses a medium severity risk with a CVSS base score of 4.3, exploiting the cache to affect Plone users, especially anonymous visitors.

Technical Details of CVE-2022-23599

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

Products.ATContentTypes versions dependent on those prior to 3.0.6 are at risk of reflected cross-site scripting and open redirect attacks through cache poisoning.

Affected Systems and Versions

Plone versions 2.1 - 4.3 using Products.ATContentTypes before 3.0.6 are impacted, while version 3.0.6 addresses this issue in Plone 5.2 for Python 2.

Exploitation Mechanism

Attackers can exploit a compromised image_view_fullscreen page in cache, such as Varnish, to redirect visitors and launch cross-site scripting attacks.

Mitigation and Prevention

Preventive measures to address and mitigate the impact of CVE-2022-23599.

Immediate Steps to Take

Ensure the image_view_fullscreen page is not cached to prevent open redirect attacks on vulnerable versions of Products.ATContentTypes.

Long-Term Security Practices

Regularly update and maintain Plone installations to prevent security vulnerabilities and ensure system integrity.

Patching and Updates

Upgrade to Products.ATContentTypes version 3.0.6 to mitigate the risk of reflected cross-site scripting and open redirect attacks.