Cross-Site Scripting Vulnerability in Namazu2 Package
Summary
DEBIAN-CVE-2011-4345: Cross-site scripting (XSS) vulnerability in Namazu before 2.0.21, when Internet Explorer 6 or 7 is used, allows remote attackers to inject arbitrary web script or HTML via a cookie. Affects namazu2 versions < 2.0.21-1. Fixed in 2.0.21-1. How to fix ↓
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Background
Namazu2 is an open-source search engine designed for indexing and searching documents. It is widely used for its efficiency and flexibility in handling various file formats. However, prior to version 2.0.21, Namazu2 is susceptible to a cross-site scripting (XSS) vulnerability, particularly when accessed through Internet Explorer 6 or 7. This vulnerability can allow attackers to inject malicious scripts into web pages viewed by users, compromising the integrity and security of the application.
Vulnerability Detail
The vulnerability arises from inadequate input validation in Namazu2, which allows remote attackers to exploit the application by injecting arbitrary web scripts or HTML via cookies. This can lead to unauthorized actions being performed on behalf of users, data theft, or session hijacking. The issue is particularly critical for users of older browsers like Internet Explorer 6 and 7, which lack modern security features.
How To Fix
Minimum fixed version
2.0.21-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade namazu2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can avoid using Internet Explorer 6 or 7 to access applications utilizing Namazu2 until the package is updated. Additionally, implementing strict content security policies (CSP) can help mitigate the risk of XSS attacks.
Conclusion
The cross-site scripting vulnerability in Namazu2 poses significant risks to users, particularly those using outdated browsers. It is crucial to update to the latest version to safeguard against potential attacks. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time.
See every vulnerability recorded for namazu2 →
FAQ
The vulnerability is a cross-site scripting (XSS) flaw that allows attackers to inject malicious scripts via cookies.
Namazu2 versions prior to 2.0.21 are affected by this vulnerability.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Exploitation of this vulnerability can lead to unauthorized actions, data theft, and session hijacking, compromising user security.
Yes, updating Namazu2 to version 2.0.21-1 or later is the permanent fix for this vulnerability.
References
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