CVE-2013-0746

Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x…

published January 13, 2013

CVSS
—
EPSS
4%
Percentile
91.4
In the wild
Unconfirmed
What it is

🚨 A crafty bit of JavaScript can lead to full code execution! In certain versions of Firefox, Thunderbird, and SeaMonkey, an improper implementation of quickstubs could let attackers run wild directly from your browser. 🔥 Think of it like a restaurant with a confusing menu – if the waiter doesn't know how to handle your order, you might just end up with a random dish you didn’t ask for. Here, the mismanaged data types create a similar confusion for the application, leading to unexpected results. This vulnerability could allow attackers to execute arbitrary code, potentially taking control of your system. Even worse, it can lead to crashes, leaving you locked out of important applications. Imagine your favorite email client just refusing to work due to a sneaky piece of code!

Put simply

Think of it like a restaurant with a confusing menu – if the waiter doesn't know how to handle your order, you might just end up with a random dish you didn’t ask for. Here, the mismanaged data types create a similar confusion for the application, leading to unexpected results. The flaw arises from how quickstubs interact with the jsval data type, resulting in improper handling during garbage collection. This mismanagement can be exploited via specially crafted JavaScript, ultimately allowing remote code execution or causing a denial of service.

What to do

This vulnerability could allow attackers to execute arbitrary code, potentially taking control of your system. Even worse, it can lead to crashes, leaving you locked out of important applications. Imagine your favorite email client just refusing to work due to a sneaky piece of code! To keep your systems safe, update to the latest versions of Firefox (18.0+), Thunderbird (17.0.2+), and SeaMonkey (2.15+). Regularly check for updates and ensure your environment is patched against these vulnerabilities. You've got this! Just a few updates and you're all set to fend off those pesky attackers! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04485 · 91.4th percentile
Published
2013-01-13T20:00Z
EPSS history
Timeline
  • 13 JAN 20:00Z
    Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x…
    cvelistv5