CVE-2016-9540

tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width

published November 22, 2016

CVSS
—
EPSS
4%
Percentile
89.6
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds write lurks in libtiff that could spell trouble when handling oddly sized tiled images! Think of it like a chef trying to fill a pot that’s too small with pasta – they accidentally overflow, making a big mess. In this case, libtiff is mishandling the data, leading to potentially serious buffer issues. An attacker could exploit this flaw, potentially leading to unexpected behavior and instability in applications that rely on libtiff. While no known exploits are reported, the risk of data corruption or crashes is certainly something to take seriously!

Put simply

Think of it like a chef trying to fill a pot that’s too small with pasta – they accidentally overflow, making a big mess. In this case, libtiff is mishandling the data, leading to potentially serious buffer issues. The vulnerability in libtiff 4.0.6 occurs during image processing, specifically in the `cpStripToTile` function, which doesn't properly handle the calculations for tiled images with mismatched widths, resulting in a heap-buffer overflow.

What to do

An attacker could exploit this flaw, potentially leading to unexpected behavior and instability in applications that rely on libtiff. While no known exploits are reported, the risk of data corruption or crashes is certainly something to take seriously! To protect your applications, upgrade to a patched version of libtiff. Regularly check for and apply updates to address vulnerabilities and ensure stable performance. If you're managing tiled images, consider implementing additional validation checks as a precaution. You've got this! With a simple upgrade, you can keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03676 · 89.6th percentile
Published
2016-11-22T19:00Z
EPSS history
Timeline
  • 22 NOV 19:00Z
    tools/tiffcp.c in libtiff 4.0.6 has an out-of-bounds write on tiled images with odd tile width versus image width
    cvelistv5