DSA-3063-1: Quassel - Out-of-Bounds Read Vulnerability
Summary
DSA-3063-1: quassel - security update. Affects quassel versions < 0.8.0-1+deb7u3. Fixed in 0.8.0-1+deb7u3. How to fix ↓
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Background
Quassel is a distributed IRC client that consists of a core component called Quassel-core. It allows users to connect to IRC servers and participate in chat rooms. Quassel provides features such as persistent connections, message synchronization, and a graphical user interface. The Quassel-core component is responsible for handling the communication between the client and the IRC servers. However, a vulnerability has been discovered in Quassel-core that could be exploited by an attacker to cause a denial of service or disclose sensitive information from the process memory.
Vulnerability Detail
The vulnerability in Quassel-core is an out-of-bounds read issue. This means that an attacker can send a specially crafted message to the component, causing it to read data beyond the boundaries of a buffer. This can lead to a crash of the component, resulting in a denial of service. Additionally, if the attacker can control the content of the message, they may be able to access sensitive information from the process memory, potentially leading to further exploitation. The vulnerability has been assigned the CVE identifier CVE-2014-8483.
How To Fix
Minimum fixed version
0.8.0-1+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade quasselTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround provided for this vulnerability. The recommended action is to apply the available patch by upgrading the Quassel packages.
Conclusion
In conclusion, the Quassel-core component of the Quassel distributed IRC client is vulnerable to an out-of-bounds read issue. This vulnerability can be exploited by an attacker to cause a denial of service or disclose sensitive information from the process memory. To mitigate the risk, users should upgrade their Quassel packages to the patched versions. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for quassel →
FAQ
Quassel is a distributed IRC client that allows users to connect to IRC servers and participate in chat rooms. It provides features such as persistent connections, message synchronization, and a graphical user interface.
Quassel-core is a component of Quassel that handles the communication between the client and the IRC servers.
An out-of-bounds read vulnerability occurs when a program reads data from a memory location beyond the boundaries of a buffer. In the case of Quassel-core, this vulnerability can be exploited by an attacker to crash the component or access sensitive information from the process memory.
The potential consequences of this vulnerability include denial of service, where an attacker can crash the Quassel-core component, and information disclosure, where an attacker can access sensitive information from the process memory.
To protect your system, it is recommended to upgrade the Quassel packages to the patched versions provided by the distribution. For the stable distribution (wheezy), upgrade to version 0.8.0-1+deb7u3. For the unstable distribution (sid), upgrade to version 0.10.0-2.1.
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