CVE-2019-2244

Possible integer underflow can happen when calculating length of elementary stream info from invalid section length which is later used to read from input…

published May 24, 2019

CVSS
—
EPSS
1%
Percentile
62.1
In the wild
Unconfirmed
What it is

⚠️ An integer underflow lurking in Snapdragon could let attackers exploit a sneaky input buffer reading trick! 🔍 Think of it like a recipe that calls for a negative amount of flour. Instead of creating a delicious cake, you end up with an empty bowl and a messy kitchen! In this case, taking invalid length values could lead to unintended consequences when the system tries to read data. The potential fallout? An attacker could manipulate the input to read arbitrary data from memory, compromising device integrity. While the immediate risk is categorized as unknown, the implications could still be serious, especially in IoT devices that handle sensitive data.

Put simply

Think of it like a recipe that calls for a negative amount of flour. Instead of creating a delicious cake, you end up with an empty bowl and a messy kitchen! In this case, taking invalid length values could lead to unintended consequences when the system tries to read data. This vulnerability occurs due to an integer underflow when the system calculates the length of elementary stream info from invalid section lengths, which can lead to unintended reads from the input buffer in various Snapdragon architectures.

What to do

The potential fallout? An attacker could manipulate the input to read arbitrary data from memory, compromising device integrity. While the immediate risk is categorized as unknown, the implications could still be serious, especially in IoT devices that handle sensitive data. To mitigate this risk, ensure that all Snapdragon devices are updated to the latest firmware provided by Qualcomm. Additionally, review input validation processes to prevent underflow conditions from occurring in the first place. You've got this! Patching and validating your input can safeguard your devices and keep you in hero status! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00988 · 62.1th percentile
Published
2019-05-24T16:44Z
EPSS history
Timeline
  • 24 MAY 16:44Z
    Possible integer underflow can happen when calculating length of elementary stream info from invalid section length which is later used to read from input…
    cvelistv5