OTRS2 - Cross-Site Scripting (XSS) Vulnerability
Summary
DLA-787-1: otrs2 - security update. Affects otrs2 versions < 3.1.7+dfsg1-8+deb7u6. Fixed in 3.1.7+dfsg1-8+deb7u6. How to fix ↓
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Background
OTRS2 is a ticket requesting system for the web. It is designed to help organizations manage and track customer support requests. OTRS2 allows users to create, update, and resolve tickets, as well as communicate with customers. It is widely used in various industries and can be customized to fit specific business needs. However, a vulnerability has been discovered in OTRS2 that could allow an attacker to execute malicious JavaScript code in the OTRS context.
Vulnerability Detail
The vulnerability in OTRS2 is a cross-site scripting (XSS) vulnerability. It occurs when an authenticated user opens a malicious attachment, which triggers the execution of JavaScript code within the OTRS context. This can lead to various security risks, such as unauthorized access to sensitive information, session hijacking, and potential further exploitation of the system. To mitigate this vulnerability, a strict default HTTP content security policy has been implemented in the latest update of OTRS2. This policy forbids the loading of third-party files, reducing the risk of XSS attacks.
How To Fix
Minimum fixed version
3.1.7+dfsg1-8+deb7u6
This is the first release that contains the fix.
sudo apt-get install --only-upgrade otrs2Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, OTRS2 is vulnerable to a cross-site scripting (XSS) attack that can be triggered by opening a malicious attachment. To mitigate this vulnerability, it is crucial to upgrade your OTRS2 packages to version 3.1.7+dfsg1-8+deb7u6 or later. This update includes a strict default HTTP content security policy that prevents the loading of third-party files, reducing the risk of XSS attacks. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
OTRS2 is a ticket requesting system for the web that helps organizations manage and track customer support requests.
Cross-site scripting (XSS) is a type of security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. In the case of OTRS2, an authenticated user can be tricked into opening a malicious attachment, which triggers the execution of JavaScript code within the OTRS context.
The XSS vulnerability in OTRS2 can lead to unauthorized access to sensitive information, session hijacking, and further exploitation of the system by attackers.
To fix the XSS vulnerability, you should upgrade your OTRS2 packages to version 3.1.7+dfsg1-8+deb7u6 or later. This update includes a strict default HTTP content security policy that prevents the loading of third-party files, reducing the risk of XSS attacks.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, on the Debian LTS wiki: https://wiki.debian.org/LTS
Related vulnerabilities
Recent vulnerabilities recorded for otrs2.
