CVE-2021-21833CWE-119

An improper array index validation vulnerability exists in the TIF IP_planar_raster_unpack functionality of Accusoft ImageGear 19.9

Critical ยท published June 11, 2021

CVSS v3.0
9.8
EPSS
1%
Percentile
72.8
In the wild
Unconfirmed
What it is

๐Ÿšจ A single malformed image file can exploit this vulnerability to write outside of its designated space! ๐Ÿ”ฅ Think of it like a chef who mistakenly uses an oversized pot that spills boiling soup all over the kitchen โ€” not only does it create a mess, but it can also cause serious burns to anyone nearby! ๐Ÿค• This improper array index validation could lead to catastrophic consequences, allowing attackers to overwrite critical data or even execute arbitrary code on the server. Imagine an intruder gaining access to sensitive information or disrupting your entire application โ€” an absolute nightmare! ๐Ÿ˜ฑ

Put simply

Think of it like a chef who mistakenly uses an oversized pot that spills boiling soup all over the kitchen โ€” not only does it create a mess, but it can also cause serious burns to anyone nearby! ๐Ÿค• The flaw resides in the TIF IP_planar_raster_unpack functionality of Accusoft ImageGear 19.9, where a specially crafted file can trigger an out-of-bounds write, allowing attackers to manipulate memory inappropriately.

What to do

This improper array index validation could lead to catastrophic consequences, allowing attackers to overwrite critical data or even execute arbitrary code on the server. Imagine an intruder gaining access to sensitive information or disrupting your entire application โ€” an absolute nightmare! ๐Ÿ˜ฑ To protect your systems, immediately update to the latest version of Accusoft ImageGear. Implement strict file validation to ensure only properly formatted files are processed, and monitor server logs for any unusual activities. ๐Ÿ›ก๏ธ You've got this! Stay proactive, and your systems will be safe and sound in no time! ๐Ÿ˜„

The record
Technical detail
CVSS v3.0
9.8 ยท CRITICAL
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01428 ยท 72.8th percentile
Weakness
CWE-119 ยท Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2021-06-11T16:12Z
EPSS history
Timeline
  • 11 JUN 16:12Z
    An improper array index validation vulnerability exists in the TIF IP_planar_raster_unpack functionality of Accusoft ImageGear 19.9
    cvelistv5