CVE-2023-47272 : Vulnerability Insights and Analysis
Learn about CVE-2023-47272, a cross-site scripting (XSS) flaw in Roundcube versions 1.5.x and 1.6.x. Understand the impact, technical details, and mitigation steps.
Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 allows XSS via a Content-Type or Content-Disposition header (used for attachment preview or download).
Understanding CVE-2023-47272
This CVE involves a cross-site scripting (XSS) vulnerability in Roundcube versions 1.5.x and 1.6.x, which could be exploited through specific headers.
What is CVE-2023-47272?
CVE-2023-47272 refers to a security issue in Roundcube versions 1.5.x and 1.6.x, enabling XSS attacks via the Content-Type or Content-Disposition header, typically used for handling attachments.
The Impact of CVE-2023-47272
This vulnerability could allow malicious actors to execute arbitrary scripts within the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2023-47272
In this section, we delve into the specifics of the vulnerability.
Vulnerability Description
The XSS vulnerability in Roundcube versions 1.5.x and 1.6.x arises from inadequate processing of certain headers, enabling attackers to inject malicious scripts.
Affected Systems and Versions
All instances of Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 are susceptible to this security flaw.
Exploitation Mechanism
By manipulating the Content-Type or Content-Disposition header, threat actors can insert harmful scripts that get executed in the user's browser environment.
Mitigation and Prevention
To secure your systems from CVE-2023-47272, consider the following measures.
Immediate Steps to Take
- Update Roundcube to versions 1.5.6 or 1.6.5, where the vulnerability has been patched.
- Implement content security policies (CSP) to restrict script execution within web applications.
Long-Term Security Practices
- Regularly monitor security advisories and promptly apply software updates.
- Educate users on recognizing and avoiding suspicious attachments.
Patching and Updates
Stay informed about security patches released by Roundcube and promptly install updates to mitigate any known vulnerabilities.