CVE-2008-1396: Plone CMS 3.1.x Authentication Cookie Vulnerability
Summary
CVE-2008-1396: Plone credentials stored in session cookie. Affects plone versions < 3.1.7. No fix is published. How to fix ↓
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Background
Plone is an open-source content management system (CMS) built on the Zope application server. It is designed for managing and publishing web content, providing features such as workflow management, versioning, and user management. Plone is widely used for building websites and intranets due to its flexibility and extensibility. However, versions 3.1.x of Plone have a critical vulnerability that affects the security of user authentication.
Vulnerability Detail
The vulnerability arises from the way Plone CMS 3.1.x calculates the HMAC-SHA1 value for authentication cookies. It uses invariant data, specifically a client username and a server secret, which makes it easier for remote attackers to intercept and exploit the authentication process. By sniffing the network traffic, an attacker can gain permanent access to a user account, compromising sensitive information and potentially leading to further attacks on the system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can implement HTTPS to encrypt network traffic, making it more difficult for attackers to sniff the authentication cookies. Additionally, consider using a more secure method for generating authentication tokens that does not rely on invariant data.
Conclusion
The vulnerability identified as CVE-2008-1396 poses a significant risk to users of Plone CMS 3.1.x due to insecure authentication cookie handling. It is crucial for users to upgrade to a patched version to safeguard their applications against potential attacks. Implementing HTTPS can provide temporary relief, but upgrading remains the most effective solution.
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FAQ
CVE-2008-1396 is a vulnerability identifier that refers to a security flaw in Plone CMS 3.1.x, which allows attackers to gain unauthorized access to user accounts through insecure authentication cookies.
If you are using Plone CMS version 3.1.x, particularly any version up to 3.1.7, your installation is vulnerable. You can use Vulert to check if your application is affected by this vulnerability.
The primary risk is that attackers can gain permanent access to user accounts, potentially leading to data breaches, unauthorized actions, and further exploitation of the system.
While upgrading is the best solution, using HTTPS to encrypt traffic can help mitigate the risk temporarily. However, this does not fully resolve the underlying vulnerability.
More information can be found in the official CVE database or on security advisory platforms such as Vulert, which monitors open-source vulnerabilities.
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