CVE-2017-11643

GraphicsMagick 1.3.26 has a heap overflow in the WriteCMYKImage() function in coders/cmyk.c when processing multiple frames that have non-identical widths

published July 26, 2017

CVSS
—
EPSS
2%
Percentile
82.5
In the wild
Unconfirmed
What it is

⚠️ A heap overflow in GraphicsMagick is hidden in plain sight! When processing frames with varying widths, this vulnerability can lead to unexpected behavior. 🔥 Think of it like a factory assembly line that’s designed to handle products of a specific size. If a product comes through that’s too big or too small, it can cause chaos, just like this overflow can disrupt memory management. An attacker could potentially exploit this flaw to manipulate memory, leading to crashes or even arbitrary code execution. While they may not be able to use it widely just yet, the potential for mischief is definitely there!

Put simply

Think of it like a factory assembly line that’s designed to handle products of a specific size. If a product comes through that’s too big or too small, it can cause chaos, just like this overflow can disrupt memory management. The heap overflow occurs in the WriteCMYKImage() function when the program processes frames with different widths, allowing an attacker to corrupt memory beyond intended boundaries.

What to do

An attacker could potentially exploit this flaw to manipulate memory, leading to crashes or even arbitrary code execution. While they may not be able to use it widely just yet, the potential for mischief is definitely there! To mitigate this vulnerability, upgrade GraphicsMagick to the latest version available. Additionally, review and monitor your use of this tool to ensure no unexpected frames are processed. Don't forget to test any changes in a safe environment! You've got this! Stay proactive, and your systems will be secure in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02218 · 82.5th percentile
Published
2017-07-26T08:00Z
EPSS history
Timeline
  • 26 JUL 08:00Z
    GraphicsMagick 1.3.26 has a heap overflow in the WriteCMYKImage() function in coders/cmyk.c when processing multiple frames that have non-identical widths
    cvelistv5