CVE-2021-1770

A buffer overflow may result in arbitrary code execution

published September 8, 2021

CVSS
—
EPSS
3%
Percentile
86.1
In the wild
Unconfirmed
What it is

⚠️ A sneaky buffer overflow could allow for arbitrary code execution! Think of it as a rogue package that overstuffed a delivery truck and broke through the back door. 🚚💨 This buffer overflow vulnerability is like packing a suitcase so full that it bursts open—if you cram too much data into the right spot, it can spill out and cause chaos. Just as that runaway suitcase could knock over everything in its path, this vulnerability can lead to unexpected and potentially harmful code execution. If exploited, an attacker could run arbitrary code on your device, leading to a range of consequences from unauthorized access to critical data, to complete control over the system. While currently not known to be actively exploited, the potential for damage remains alarming!

Put simply

This buffer overflow vulnerability is like packing a suitcase so full that it bursts open—if you cram too much data into the right spot, it can spill out and cause chaos. Just as that runaway suitcase could knock over everything in its path, this vulnerability can lead to unexpected and potentially harmful code execution. The vulnerability stems from a buffer overflow, where the program tries to store more data in memory than it can handle, allowing an attacker to manipulate the execution flow and run harmful code.

What to do

If exploited, an attacker could run arbitrary code on your device, leading to a range of consequences from unauthorized access to critical data, to complete control over the system. While currently not known to be actively exploited, the potential for damage remains alarming! To protect yourself, update to macOS Big Sur 11.3, iOS 14.5, iPadOS 14.5, watchOS 7.4, or tvOS 14.5 as soon as possible. Regularly check for system updates and ensure all devices are running the latest software version! You've got this! Stay vigilant, keep your devices updated, and you'll be a security hero in no time! 🦸‍♂️🦸‍♀️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02754 · 86.1th percentile
Published
2021-09-08T14:55Z
EPSS history
Timeline
  • 08 SEP 14:55Z
    A buffer overflow may result in arbitrary code execution
    cvelistv5