CVE-2024-26339

swftools v0.9.2 was discovered to contain a strcpy parameter overlap via /home/swftools/src/swfc+0x48318a

Critical · published March 5, 2024

CVSS v3.1
9.1
EPSS
1%
Percentile
57.6
In the wild
Unconfirmed
What it is

🔥 A clever overlap in the `strcpy` function of swftools v0.9.2 can lead to some absolutely devastating exploits! Think of it like trying to pour two different drinks into the same glass at once, causing a messy overflow. If one drink has a stronger flavor, it could dominate the other, leading to a concoction no one wants! An attacker could exploit this vulnerability to overwrite memory, potentially executing arbitrary code or crashing the application. With the right conditions, this can lead to full system compromise — a complete takeover of the environment!

Put simply

Think of it like trying to pour two different drinks into the same glass at once, causing a messy overflow. If one drink has a stronger flavor, it could dominate the other, leading to a concoction no one wants! This critical vulnerability arises from a parameter overlap in the `strcpy` function, allowing attackers to manipulate memory allocation and potentially execute unwanted code.

What to do

An attacker could exploit this vulnerability to overwrite memory, potentially executing arbitrary code or crashing the application. With the right conditions, this can lead to full system compromise — a complete takeover of the environment! Update swftools to the latest version where this issue has been resolved. Carefully audit your code to ensure no other similar vulnerabilities exist, and always validate user input to prevent such overlaps. Stay vigilant! You've got this! By taking these steps, you'll bolster your defenses in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00846 · 57.6th percentile
Published
2024-03-05T00:00Z
EPSS history
Timeline
  • 05 MAR 00:00Z
    swftools v0.9.2 was discovered to contain a strcpy parameter overlap via /home/swftools/src/swfc+0x48318a
    cvelistv5