CVE-2018-21090

An issue was discovered on Samsung mobile devices with software through 2017-11-03 (S.LSI modem chipsets)

published April 8, 2020

CVSS
—
EPSS
1%
Percentile
45.9
In the wild
Unconfirmed
What it is

🚨 A hidden buffer overflow in Samsung's Exynos modem chip could be your phone's worst-kept secret! 🔥 Think of the modem as a busy café where orders are taken but the kitchen just keeps adding more and more unexpected ingredients. Eventually, the order slips off the counter and chaos ensues – that’s how this buffer overflow could lead to data being mishandled. The consequences here could be serious! An attacker might exploit this vulnerability to cause unpredictable behavior in the device, possibly even allowing for unauthorized access to sensitive information. This could mean everything from unexpected app crashes to potential data leaks.

Put simply

Think of the modem as a busy café where orders are taken but the kitchen just keeps adding more and more unexpected ingredients. Eventually, the order slips off the counter and chaos ensues – that’s how this buffer overflow could lead to data being mishandled. This vulnerability resides in the baseband of the Exynos modem chipset, where a buffer overflow allows for excessive data to overwrite adjacent memory, leading to potential breaches.

What to do

The consequences here could be serious! An attacker might exploit this vulnerability to cause unpredictable behavior in the device, possibly even allowing for unauthorized access to sensitive information. This could mean everything from unexpected app crashes to potential data leaks. To mitigate this vulnerability, ensure that your Samsung device is updated with the latest firmware. If you're in charge of device management, keep an eye on Samsung's security updates for further information. Regular checks for updates can prevent most issues! You've got this! Stay vigilant and keep your devices updated for a secure mobile experience! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00561 · 45.9th percentile
Published
2020-04-08T13:27Z
EPSS history
Timeline
  • 08 APR 13:27Z
    An issue was discovered on Samsung mobile devices with software through 2017-11-03 (S.LSI modem chipsets)
    cvelistv5