CVE-2020-36328CWE-787

A flaw was found in libwebp in versions before 1.0.1

published May 21, 2021

CVSS
โ€”
EPSS
3%
Percentile
85.6
In the wild
Unconfirmed
What it is

โš ๏ธ A heap-based buffer overflow lurks in libwebp versions before 1.0.1! This sneaky flaw allows attackers to exploit invalid checks without breaking a sweat. ๐Ÿ” Think of libwebp as a restaurant kitchen that doesn't check the size of the pots before filling them. If a chef ignores the pot size and overfills, it can lead to a messy (and potentially hazardous) situation! An attacker could potentially manipulate data, corrupting files or even crashing the system, leading to significant downtime. This could compromise the confidentiality and integrity of your data โ€” a recipe for disaster!

Put simply

Think of libwebp as a restaurant kitchen that doesn't check the size of the pots before filling them. If a chef ignores the pot size and overfills, it can lead to a messy (and potentially hazardous) situation! The vulnerability arises from a lack of proper size checks in the WebPDecodeRGBInto function, allowing for heap-based buffer overflows that attackers can exploit to execute arbitrary code or crash the system.

What to do

An attacker could potentially manipulate data, corrupting files or even crashing the system, leading to significant downtime. This could compromise the confidentiality and integrity of your data โ€” a recipe for disaster! Patch your libwebp to version 1.0.1 or later immediately to mitigate this issue. Regularly audit your libraries and dependencies to ensure you're using secure versions. Don't forget to test your applications after the update! You've got this! By following these steps, you're on your way to securing your system like a pro! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02662 ยท 85.6th percentile
Weakness
CWE-787 ยท Out-of-bounds Write
Published
2021-05-21T16:14Z
EPSS history
Timeline
  • 21 MAY 16:14Z
    A flaw was found in libwebp in versions before 1.0.1
    cvelistv5