CVE-2022-40008

SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c

Critical · published September 20, 2022

CVSS v3.1
9.8
EPSS
1%
Percentile
67.7
In the wild
Unconfirmed
What it is

🔥 A heap-buffer overflow in SWFTools can unleash chaos with just a single crafty input! Think of it like a crowded concert where someone accidentally pushes their way into the VIP area, causing chaos and confusion — that’s what can happen if an attacker exploits this vulnerability and overwrites memory. The system could misbehave in unpredictable ways, just like the crowd going wild! An attacker can gain control over the application’s memory, leading to potential data corruption or even executing arbitrary code. This could mean unauthorized access, data loss, or complete system compromise—absolutely devastating!

Put simply

Think of it like a crowded concert where someone accidentally pushes their way into the VIP area, causing chaos and confusion — that’s what can happen if an attacker exploits this vulnerability and overwrites memory. The system could misbehave in unpredictable ways, just like the crowd going wild! This vulnerability arises from a heap-buffer overflow triggered by the function readU8 in SWFTools. It allows attackers to manipulate memory allocation, which can lead to serious security breaches.

What to do

An attacker can gain control over the application’s memory, leading to potential data corruption or even executing arbitrary code. This could mean unauthorized access, data loss, or complete system compromise—absolutely devastating! Immediately update SWFTools to the latest version that addresses this issue and implement strict input validation to mitigate similar risks in the future. Regularly review your application's memory management practices to enhance security. You've got this! By taking these steps, you can lock down your systems and emerge as a security hero! 🛡️

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
0.01189 · 67.7th percentile
Published
2022-09-20T19:14Z
EPSS history
Timeline
  • 20 SEP 19:14Z
    SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c
    cvelistv5