CVE-2020-3847

An out-of-bounds read was addressed with improved input validation

published April 1, 2020

CVSS
—
EPSS
2%
Percentile
82.3
In the wild
Unconfirmed
What it is

⚠️ An out-of-bounds read may sound like a techy detail, but it could let attackers peek into memory like a curious cat sneaking a look at someone's shopping list! 😺 Think of it like a restaurant that accidentally leaves the kitchen door open. A sneaky diner could peek in and catch a glimpse of the chaos behind the scenes, potentially revealing sensitive recipes or secret ingredients! With this vulnerability, a remote attacker could leak memory, potentially exposing sensitive information stored in that memory. While it’s not an easy exploit, the risks of unintentional information leaks can be surprisingly severe, leaving your data vulnerable in a way you wouldn’t expect.

Put simply

Think of it like a restaurant that accidentally leaves the kitchen door open. A sneaky diner could peek in and catch a glimpse of the chaos behind the scenes, potentially revealing sensitive recipes or secret ingredients! This issue arises from insufficient input validation, leading to an out-of-bounds read, which allows attackers to access unintended memory areas and potentially retrieve sensitive data.

What to do

With this vulnerability, a remote attacker could leak memory, potentially exposing sensitive information stored in that memory. While it’s not an easy exploit, the risks of unintentional information leaks can be surprisingly severe, leaving your data vulnerable in a way you wouldn’t expect. To protect yourself, ensure you update your macOS to Catalina 10.15.3 or later. Regularly patch your systems, and stay informed about security updates to close these kinds of gaps before they can be exploited. You've got this! Updating your system is a straightforward step towards keeping your data safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02193 · 82.3th percentile
Published
2020-04-01T18:09Z
EPSS history
Timeline
  • 01 APR 18:09Z
    An out-of-bounds read was addressed with improved input validation
    cvelistv5