Vulnerability in libxrandr - Security Update
Summary
DLA-660-1: libxrandr - security update. Affects libxrandr versions < 2:1.3.2-2+deb7u2. Fixed in 2:1.3.2-2+deb7u2. How to fix ↓
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Background
libxrandr is a library in Debian 7 Wheezy that provides an interface to the X Resize, Rotate, and Reflect Extension (RandR). This extension allows users to dynamically change screen resolution, rotation, and reflection on the X Window System. The libxrandr library is used by various applications to interact with the X server and manage display settings.
Vulnerability Detail
The libxrandr library before version 1.5.0 in Debian 7 Wheezy suffers from insufficient validation of data received from the X server. This vulnerability can lead to out-of-bounds memory writes and integer overflows. An attacker could exploit this flaw to execute arbitrary code, crash the application using libxrandr, or potentially escalate privileges on the affected system.
How To Fix
Minimum fixed version
2:1.3.2-2+deb7u2
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libxrandrTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the security update as soon as possible to mitigate the risk.
Conclusion
The libxrandr library in Debian 7 Wheezy is vulnerable to out-of-bounds memory writes and integer overflows. To mitigate this risk, it is crucial to upgrade the libxrandr package to version 2:1.3.2-2+deb7u2 or later. No known workarounds are available. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libxrandr →
FAQ
libxrandr is a library in Debian 7 Wheezy that provides an interface to the X Resize, Rotate, and Reflect Extension (RandR). It allows users to dynamically change screen resolution, rotation, and reflection on the X Window System.
The vulnerability in libxrandr can lead to out-of-bounds memory writes and integer overflows. An attacker could exploit this flaw to execute arbitrary code, crash applications using libxrandr, or potentially escalate privileges on the affected system.
To fix this vulnerability, you need to upgrade the libxrandr package to version 2:1.3.2-2+deb7u2 or later. This can be done by running the package manager's update command or using the appropriate package management tool for your system.
There is no known workaround for this vulnerability. It is crucial to apply the security update as soon as possible to mitigate the risk.
You can find more information about Debian LTS security advisories, including how to apply updates and frequently asked questions, at the following link: https://wiki.debian.org/LTS
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