CVE-2013-1055
First published: Wed Apr 07 2021(Updated: )
The unity-firefox-extension package could be tricked into dropping a C callback which was still in use, which Firefox would then free, causing Firefox to crash. This could be achieved by adding an action to the launcher and updating it with new callbacks until the libunity-webapps rate limit was hit. Fixed in 3.0.0+14.04.20140416-0ubuntu1.14.04.1 of unity-firefox-extension and in all versions of libunity-webapps by shipping an empty unity-firefox-extension package, thus disabling the extension entirely and invalidating the attack against the libunity-webapps package.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Canonical Unity Firefox Extension | <3.0.0\+14.04.20140416-0ubuntu1.14.04.1 | |
| Ubuntu Linux | =14.04 | |
| Ubuntu Linux | =15.04 |
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Frequently Asked Questions
What is the severity of CVE-2013-1055?
CVE-2013-1055 is classified as having a moderate severity level due to its potential to cause application crashes.
How do I fix CVE-2013-1055?
To fix CVE-2013-1055, update the unity-firefox-extension package to a version above 3.0.0+14.04.20140416-0ubuntu1.14.04.1.
Which software versions are affected by CVE-2013-1055?
CVE-2013-1055 affects the unity-firefox-extension in Ubuntu versions 14.04 and 15.04.
What happens when CVE-2013-1055 is exploited?
Exploiting CVE-2013-1055 can lead to Firefox crashing due to mishandled C callbacks.
Is CVE-2013-1055 present in newer Ubuntu versions?
CVE-2013-1055 is not present in newer versions of Ubuntu that have patched the vulnerabilities in the affected components.
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