CVE-2021-0515

In Factory::CreateStrictFunctionMap of factory.cc, there is a possible out of bounds write due to an incorrect bounds check

published July 14, 2021

CVSS
โ€”
EPSS
1%
Percentile
72.9
In the wild
Unconfirmed
What it is

โšก A sneaky out-of-bounds write in Android could spell trouble! With a simple exploit, an attacker can execute code in unprivileged processes, no user interaction required! ๐Ÿ”ฅ Think of it like a factory assembly line where a worker is allowed to add components without checking the size โ€” if they miss the mark, they can inadvertently create faulty products that cause all sorts of chaos further down the line. This vulnerability could allow attackers to gain unauthorized control of processes, leading to potentially devastating consequences like data breaches or system crashes. The most alarming part? They can do this without needing any special privileges or user action, making it a surprisingly easy target.

Put simply

Think of it like a factory assembly line where a worker is allowed to add components without checking the size โ€” if they miss the mark, they can inadvertently create faulty products that cause all sorts of chaos further down the line. The issue lies in an incorrect bounds check within the Factory::CreateStrictFunctionMap method of factory.cc, which could allow an out-of-bounds write and potentially lead to remote code execution.

What to do

This vulnerability could allow attackers to gain unauthorized control of processes, leading to potentially devastating consequences like data breaches or system crashes. The most alarming part? They can do this without needing any special privileges or user action, making it a surprisingly easy target. To protect your systems, ensure you update to a patched version of Android as soon as available. Regularly check for updates and apply security patches to minimize risk exposure. Additionally, review your applications using Android to ensure they aren't relying on vulnerable components. You've got this! Stay vigilant, keep your systems updated, and you'll keep those digital villains at bay! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01436 ยท 72.9th percentile
Published
2021-07-14T13:43Z
EPSS history
Timeline
  • 14 JUL 13:43Z
    In Factory::CreateStrictFunctionMap of factory.cc, there is a possible out of bounds write due to an incorrect bounds check
    cvelistv5