Memory Corruption Vulnerability in Pidgin MXIT Protocol Handling
Summary
CVE-2016-2374: An exploitable memory corruption vulnerability exists in the handling of the MXIT protocol in Pidgin. Affects pidgin versions < 2.11.0-1. Fixed in 2.11.0-1. How to fix ↓
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Background
Pidgin is a popular open-source instant messaging client that supports multiple protocols, allowing users to communicate across different networks. It is widely used for its flexibility and user-friendly interface. However, Pidgin has a vulnerability related to the MXIT protocol, which can be exploited through specially crafted messages, leading to severe security risks.
Vulnerability Detail
An exploitable memory corruption vulnerability exists in the handling of the MXIT protocol in Pidgin. This vulnerability arises from the improper handling of MXIT MultiMX messages sent via the server, which can lead to an out-of-bounds write. The consequences of this vulnerability include memory disclosure and potential code execution, allowing attackers to compromise the affected system. The CVSS score for this vulnerability is 8.1, indicating a high severity level.
How To Fix
Minimum fixed version
2.11.0-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade pidginTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can disable the MXIT protocol in Pidgin until the update is applied. This can be done by going to the account settings and removing or disabling the MXIT account.
Conclusion
The CVE-2016-2374 vulnerability in Pidgin poses significant risks due to its potential for memory corruption and code execution. Users are strongly advised to update their Pidgin installations to the latest version to mitigate these risks. Additionally, utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.
See every vulnerability recorded for pidgin →
FAQ
CVE-2016-2374 is a memory corruption vulnerability in the Pidgin instant messaging client related to the MXIT protocol.
Exploitation of this vulnerability can lead to memory disclosure and code execution, potentially allowing attackers to take control of the affected system.
You should immediately update Pidgin to version 2.11.0-1 or later to protect your system from this vulnerability.
Yes, you can use Vulert, which monitors open-source vulnerabilities in your software. You can check your application using the Vulert playground without any signup.
Vulert is a tool that monitors and alerts in real-time for open-source vulnerabilities using a manifest file like package-lock.json, helping developers maintain secure applications.
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