Cross-Site Scripting Vulnerability in Redmine: A Security Risk for Users
Summary
DEBIAN-CVE-2011-4928: Cross-site scripting (XSS) vulnerability in the textile formatter in Redmine before 1.0.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. Affects redmine versions < 1.0.5-1. Fixed in 1.0.5-1. How to fix ↓
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Background
Redmine is a flexible project management web application that includes support for issue tracking, project wikis, and forums. It is widely used in various industries for managing projects and tasks. However, prior to version 1.0.5, Redmine was susceptible to a cross-site scripting (XSS) vulnerability in its textile formatter, which could allow attackers to inject malicious scripts into web pages viewed by users.
Vulnerability Detail
The vulnerability, identified as CVE-2011-4928, originates from the textile formatter in Redmine versions before 1.0.5. It allows remote attackers to exploit unspecified vectors to inject arbitrary web scripts or HTML into the application. This could lead to unauthorized actions being performed on behalf of the user, data theft, or other malicious activities, posing significant risks to user security and data integrity.
How To Fix
Minimum fixed version
1.0.5-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade redmineTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary measure, users can limit access to the Redmine application or disable the textile formatter until the software is updated. However, this is not a permanent solution and should only be used until the patch is applied.
Conclusion
The cross-site scripting vulnerability in Redmine poses a significant security risk to users. It is crucial to update to the latest version to mitigate these risks. Users are encouraged to monitor their applications for vulnerabilities using tools like Vulert, which can provide real-time alerts without requiring code access.
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FAQ
CVE-2011-4928 is a cross-site scripting vulnerability found in Redmine versions prior to 1.0.5, allowing attackers to inject malicious scripts.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The risks include unauthorized actions on behalf of users, potential data theft, and the compromise of user accounts.
Yes, the vulnerability is patched in version 1.0.5-1 and later of Redmine.
If immediate updates are not possible, consider limiting access to the application or disabling the textile formatter as a temporary workaround.
References
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