Vulnerability in gajim - security update
Summary
DLA-967-1: gajim - security update. Affects gajim versions < 0.15.1-4.1+deb7u3. Fixed in 0.15.1-4.1+deb7u3. How to fix ↓
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Background
Gajim is an XMPP client that allows users to communicate over the XMPP protocol. It implements various extensions, including XEP-0146, which enables the execution of remote commands from another client. However, a security flaw has been discovered in Gajim that allows malicious servers to trigger commands, potentially leading to the leakage of private conversations from encrypted sessions. As a result, XEP-0146 support has been disabled by default in order to mitigate this vulnerability.
Vulnerability Detail
The vulnerability in Gajim arises from the implementation of XEP-0146, which can be exploited by malicious servers to execute commands remotely. This could result in the exposure of private conversations from encrypted sessions, compromising the confidentiality of user communications. To address this issue, XEP-0146 support has been disabled by default in the latest version of Gajim.
How To Fix
Minimum fixed version
0.15.1-4.1+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade gajimTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, the vulnerability in Gajim arises from the implementation of XEP-0146, which allows malicious servers to execute commands remotely. This can result in the leakage of private conversations from encrypted sessions. To mitigate this vulnerability, it is crucial to upgrade Gajim to version 0.15.1-4.1+deb7u3 or later, which disables XEP-0146 support by default. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
Gajim is an XMPP client that allows users to communicate over the XMPP protocol.
XEP-0146 is an XMPP extension implemented by Gajim, enabling the execution of remote commands from another client.
This vulnerability allows malicious servers to trigger commands, potentially leading to the leakage of private conversations from encrypted sessions.
To mitigate this vulnerability, it is advised to upgrade Gajim to version 0.15.1-4.1+deb7u3 or later, which disables XEP-0146 support by default.
No workaround is mentioned for this vulnerability. It is recommended to apply the security update.
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