CVE-2013-0023

Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers…

published February 13, 2013

CVSS
—
EPSS
19%
Percentile
97.3
In the wild
Unconfirmed
What it is

⚠️ A crafty website can trigger this use-after-free vulnerability in Internet Explorer 9 and 10, opening the door for attackers to execute arbitrary code! Think of it as a restaurant that accidentally serves a dish that was just sent back to the kitchen. The chef might still have it in their hands, and if they serve it again without realizing it's been discarded, it can lead to a rather messy outcome! An attacker could exploit this vulnerability to run any code they desire on a user's machine. This could result in unauthorized access to sensitive information, installation of malware, or other malicious activities, all while the user is blissfully unaware!

Put simply

Think of it as a restaurant that accidentally serves a dish that was just sent back to the kitchen. The chef might still have it in their hands, and if they serve it again without realizing it's been discarded, it can lead to a rather messy outcome! This vulnerability occurs when Internet Explorer fails to properly manage the memory of a deleted object, allowing remote attackers to access and manipulate it, potentially leading to arbitrary code execution.

What to do

An attacker could exploit this vulnerability to run any code they desire on a user's machine. This could result in unauthorized access to sensitive information, installation of malware, or other malicious activities, all while the user is blissfully unaware! To protect yourself, consider switching to a more secure browser or upgrading to a newer version of Internet Explorer if possible. Regularly patch your software and educate users on the risks of navigating to untrusted websites. You've got this! Stay vigilant and keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.18572 · 97.3th percentile
Published
2013-02-13T11:00Z
EPSS history
Timeline
  • 13 FEB 11:00Z
    Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers…
    cvelistv5