Vulnerability in libxrender - Security Update
Summary
DLA-664-1: libxrender - security update. Affects libxrender versions < 1:0.9.7-1+deb7u3. Fixed in 1:0.9.7-1+deb7u3. How to fix ↓
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Background
libxrender is a library in the Debian 7 Wheezy ecosystem that provides a client-side rendering extension for the X Window System. It is responsible for rendering graphics and fonts on X servers. However, a security flaw has been discovered in libxrender that could potentially allow an attacker to escalate their privileges by exploiting out-of-boundary memory writes. This vulnerability was identified by Tobias Stoeckmann from the OpenBSD project.
Vulnerability Detail
Insufficient validation of data received from X servers can lead to out-of-boundary memory writes in the libXrender library. This could be exploited by an attacker to gain elevated privileges on the system. The vulnerability affects version 0 of libxrender and has been fixed in version 1:0.9.7-1+deb7u3.
How To Fix
Minimum fixed version
1:0.9.7-1+deb7u3
This is the first release that contains the fix.
sudo apt-get install --only-upgrade libxrenderTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
The libxrender library in Debian 7 Wheezy is vulnerable to out-of-boundary memory writes, which could allow an attacker to escalate their privileges. It is recommended to upgrade the libxrender package to version 1:0.9.7-1+deb7u3 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for libxrender →
FAQ
libxrender is a library in the Debian 7 Wheezy ecosystem that provides a client-side rendering extension for the X Window System.
The vulnerability in libxrender could allow an attacker to escalate their privileges on the system.
The vulnerability was discovered by Tobias Stoeckmann from the OpenBSD project.
The vulnerability affects version 0 of libxrender in the Debian 7 Wheezy ecosystem.
To fix this vulnerability, upgrade the libxrender package to version 1:0.9.7-1+deb7u3 or later.
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