CVE-2021-43086

ARM astcenc 3.2.0 is vulnerable to Buffer Overflow

published February 28, 2022

CVSS
—
EPSS
1%
Percentile
69.1
In the wild
Unconfirmed
What it is

⚠️ A stack buffer overflow lurks in ARM's astcenc 3.2.0! When the compression function is run with the -cl option, it can lead to trouble in the encode_ise() function. 🛠️ Think of it like a crowded restaurant kitchen where the chef is trying to squeeze in more orders than there’s space for — the overflow could cause chaos, potentially leading to some mixed-up dishes or worse! An attacker could exploit this flaw to cause unexpected behavior or crashes in the application, which could result in a loss of functionality or even trigger denial of service. While the risk of immediate exploitation is not known, it’s better to keep your kitchen tidy!

Put simply

Think of it like a crowded restaurant kitchen where the chef is trying to squeeze in more orders than there’s space for — the overflow could cause chaos, potentially leading to some mixed-up dishes or worse! This vulnerability arises in the compression function within the astc-encoder project when invoked with the -cl option, leading to a stack buffer overflow in the encode_ise() function. This allows for potential overflow into adjacent memory spaces.

What to do

An attacker could exploit this flaw to cause unexpected behavior or crashes in the application, which could result in a loss of functionality or even trigger denial of service. While the risk of immediate exploitation is not known, it’s better to keep your kitchen tidy! To remediate this vulnerability, you should upgrade to the latest version of astcenc. Additionally, conduct thorough testing of your encoding processes to ensure they handle data safely. Don't forget to review your projects for other potential buffer overflow risks! You’ve got this! Stay vigilant and keep your systems secure! 🔒

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01248 · 69.1th percentile
Published
2022-02-28T14:06Z
EPSS history
Timeline
  • 28 FEB 14:06Z
    ARM astcenc 3.2.0 is vulnerable to Buffer Overflow
    cvelistv5