Iceweasel - Multiple Security Issues
Summary
DSA-3345-1: iceweasel - security update. Affects iceweasel versions < 38.2.1esr-1~deb7u1. Fixed in 38.2.1esr-1~deb7u1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Iceweasel is Debian's version of the Mozilla Firefox web browser. It provides users with a secure and feature-rich browsing experience. However, multiple security issues have been identified in Iceweasel, which could potentially lead to crashes or the execution of arbitrary code with user privileges.
Vulnerability Detail
The first vulnerability, identified as CVE-2015-4497, is a use-after-free vulnerability that occurs when resizing a canvas element in conjunction with style changes. This can be exploited by a malicious web page to crash Iceweasel or execute arbitrary code with the user's privileges. The second vulnerability, CVE-2015-4498, involves a flaw in the handling of add-ons installation. An attacker can bypass the add-on installation prompt and trick a user into installing an add-on from a malicious source.
How To Fix
Minimum fixed version
38.2.1esr-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 →
Conclusion
Multiple security issues have been identified in Iceweasel, Debian's version of the Mozilla Firefox web browser. These vulnerabilities can be exploited to crash the browser or execute arbitrary code with user privileges. It is crucial to upgrade your iceweasel packages to the recommended versions to mitigate these risks. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for iceweasel →
FAQ
Iceweasel is Debian's version of the Mozilla Firefox web browser, providing users with a secure and feature-rich browsing experience.
A use-after-free vulnerability occurs when a program continues to use a memory address after it has been freed. In the case of CVE-2015-4497, this vulnerability is triggered when resizing a canvas element in conjunction with style changes.
CVE-2015-4498 is a vulnerability in Iceweasel's handling of add-ons installation. It allows a remote attacker to bypass the add-on installation prompt and trick a user into installing an add-on from a malicious source.
An attacker can exploit these vulnerabilities by creating a malicious web page or tricking a user into installing a malicious add-on. This can lead to crashes or the execution of arbitrary code with the user's privileges.
To fix these vulnerabilities, you should upgrade your iceweasel packages to the recommended versions based on your distribution.
Related vulnerabilities
Recent vulnerabilities recorded for iceweasel.
