CVE-2007-4841

Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands via a (1) mailto…

published September 12, 2007

CVSS
—
EPSS
3%
Percentile
85.4
In the wild
Unconfirmed
What it is

⚠️ An invalidly encoded URI can let attackers execute arbitrary commands on your system! This vulnerability affects older versions of Firefox, Thunderbird, and SeaMonkey — a serious oversight in file type handling! Think of it like a restaurant that serves meals based on the order slip, but one too many customers have slipped in fake orders. Instead of being checked, these bogus requests end up in the kitchen, and suddenly the chef’s cooking up whatever the attackers want! This flaw could allow a remote attacker to execute any command on a user's machine, potentially leading to full system compromise. Imagine the chaos if a malicious actor gains the ability to tamper with your files or steal sensitive data — it's a recipe for disaster!

Put simply

Think of it like a restaurant that serves meals based on the order slip, but one too many customers have slipped in fake orders. Instead of being checked, these bogus requests end up in the kitchen, and suddenly the chef’s cooking up whatever the attackers want! This vulnerability arises from improper handling of mailto, nntp, news, or snews URIs with invalid '%' encoding in Mozilla applications, allowing attackers to craft commands that are executed by the system when processed by Windows XP with Internet Explorer 7 installed.

What to do

This flaw could allow a remote attacker to execute any command on a user's machine, potentially leading to full system compromise. Imagine the chaos if a malicious actor gains the ability to tamper with your files or steal sensitive data — it's a recipe for disaster! To protect yourself, ensure you're running Firefox version 2.0.0.8, Thunderbird 2.0.0.8, or SeaMonkey 1.1.5 or later. For those using these applications, consider updating your systems to the latest versions available, as this will help mitigate the risk. Regularly check for software updates to stay secure! You've got this! By taking the right steps, you can keep your system safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02648 · 85.4th percentile
Published
2007-09-12T20:00Z
EPSS history
Timeline
  • 12 SEP 20:00Z
    Mozilla Firefox before 2.0.0.8, Thunderbird before 2.0.0.8, and SeaMonkey before 1.1.5 allows remote attackers to execute arbitrary commands via a (1) mailto…
    cvelistv5