CVE-2023-39453CWE-416

A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1

Critical · published September 25, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
70.0
In the wild
Unconfirmed
What it is

🔥 A carefully crafted image file could turn your system into a playground for attackers! Think of this vulnerability like a misplaced package in a shipping warehouse: if it goes to the wrong delivery route, it can disrupt the entire process. In this case, the malformed file is like a rogue package that creates chaos in your system, allowing arbitrary code to run without your approval. If exploited, an attacker can execute arbitrary code on your system, potentially leading to complete control over your environment. This could mean anything from data theft to malicious software installations, all because of one sneaky file. The consequences can be absolutely devastating!

Put simply

Think of this vulnerability like a misplaced package in a shipping warehouse: if it goes to the wrong delivery route, it can disrupt the entire process. In this case, the malformed file is like a rogue package that creates chaos in your system, allowing arbitrary code to run without your approval. The use-after-free vulnerability in the tif_parse_sub_IFD function allows attackers to manipulate memory management, resulting in the execution of their code when a specially crafted image file is processed.

What to do

If exploited, an attacker can execute arbitrary code on your system, potentially leading to complete control over your environment. This could mean anything from data theft to malicious software installations, all because of one sneaky file. The consequences can be absolutely devastating! Immediate action is required! Update Accusoft ImageGear to version 20.2 or higher to patch this critical vulnerability. Additionally, ensure your systems are configured to handle untrusted files safely and consider implementing file type validation protocols. You've got this! With these steps, you'll be well on your way to securing your systems against this nasty vulnerability! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01289 · 70.0th percentile
Weakness
CWE-416 · Use After Free
Published
2023-09-25T15:22Z
EPSS history
Timeline
  • 25 SEP 15:22Z
    A use-after-free vulnerability exists in the tif_parse_sub_IFD functionality of Accusoft ImageGear 20.1
    cvelistv5