CVE-2022-20532

In parseTrackFragmentRun() of MPEG4Extractor.cpp, there is a possible out of bounds read due to an integer overflow

Critical · published March 24, 2023

CVSS v3.1
9.8
EPSS
0%
Percentile
41.1
In the wild
Unconfirmed
What it is

🔥 An integer overflow in Android’s MPEG4Extractor.cpp could lead to a sneaky out of bounds read — no user interaction required! 😱 Think of it like a chef trying to fit a massive cake into a fridge that’s too small. When the cake overspills, it can cause chaos, just as this overflow can let attackers gain unauthorized access without breaking a sweat. An attacker could exploit this vulnerability to remotely escalate their privileges, potentially gaining deep access to sensitive data and functionalities on the device. This means they could execute unauthorized actions just like a chef sneaking in extra ingredients to your dish without permission!

Put simply

Think of it like a chef trying to fit a massive cake into a fridge that’s too small. When the cake overspills, it can cause chaos, just as this overflow can let attackers gain unauthorized access without breaking a sweat. This vulnerability arises from an integer overflow in the parseTrackFragmentRun() function, which can lead to an out of bounds read, allowing attackers to gain elevated privileges without needing additional access rights.

What to do

An attacker could exploit this vulnerability to remotely escalate their privileges, potentially gaining deep access to sensitive data and functionalities on the device. This means they could execute unauthorized actions just like a chef sneaking in extra ingredients to your dish without permission! Immediate action is critical! Ensure your Android devices are updated to the latest security patches. As of now, there’s no known exploit, but stay vigilant and monitor for any updates from your device manufacturer. You’ve got this! Stay proactive, and you’ll keep your devices secure! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00489 · 41.1th percentile
Published
2023-03-24T00:00Z
EPSS history
Timeline
  • 24 MAR 00:00Z
    In parseTrackFragmentRun() of MPEG4Extractor.cpp, there is a possible out of bounds read due to an integer overflow
    cvelistv5