Iceweasel - Graphite Font Rendering Engine Arbitrary Code Execution
Summary
DSA-3477-1: iceweasel - security update. Affects iceweasel versions < 38.6.1esr-1~deb7u1. Fixed in 38.6.1esr-1~deb7u1. How to fix ↓
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Background
Iceweasel is a web browser based on Mozilla Firefox. It is the default web browser in Debian GNU/Linux and is known for its speed, stability, and security. The Graphite font rendering engine is responsible for rendering text on web pages. However, a vulnerability in this engine allows for the execution of arbitrary code.
Vulnerability Detail
The vulnerability in the Graphite font rendering engine of Iceweasel allows an attacker to execute arbitrary code. This is due to missing input sanitizing, which can be exploited by specially crafted fonts. By tricking a user into visiting a malicious website or opening a crafted document, an attacker can execute arbitrary code on the victim's system. This can lead to remote code execution, privilege escalation, and potential compromise of the entire system.
How To Fix
Minimum fixed version
38.6.1esr-1~deb7u1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade iceweaselTip — 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 crucial to apply the recommended fix by upgrading Iceweasel to the patched versions.
Conclusion
The vulnerability in the Graphite font rendering engine of Iceweasel allows for the execution of arbitrary code. To mitigate this risk, it is essential to upgrade your Iceweasel packages to the patched versions. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for iceweasel →
FAQ
Iceweasel is a web browser based on Mozilla Firefox. It is the default web browser in Debian GNU/Linux.
The Graphite font rendering engine is responsible for rendering text on web pages in Iceweasel.
This vulnerability can be exploited by tricking a user into visiting a malicious website or opening a crafted document containing specially crafted fonts.
The potential consequences of this vulnerability include remote code execution, privilege escalation, and potential compromise of the entire system.
No, there are no known workarounds for this vulnerability. It is crucial to apply the recommended fix by upgrading Iceweasel to the patched versions.
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