CVE-2018-21065

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software

published April 8, 2020

CVSS
โ€”
EPSS
0%
Percentile
37.1
In the wild
Unconfirmed
What it is

โš ๏ธ A missing size check is the culprit! This sneaky integer underflow in eCryptFS on some Samsung devices could leave your data in a precarious state. ๐Ÿš€ Think of it as a restaurant that doesn't bother checking the size of its serving pots. If a too-small pot is used for a massive batch of soup, it could spill everywhere and cause a messy situation! If exploited, this vulnerability could allow an attacker to manipulate memory allocation in unexpected ways, potentially leading to data corruption or unauthorized access. While there's no current evidence of active exploitation, the implications could be concerning if someone were to discover a way to leverage this flaw!

Put simply

Think of it as a restaurant that doesn't bother checking the size of its serving pots. If a too-small pot is used for a massive batch of soup, it could spill everywhere and cause a messy situation! The integer underflow occurs due to a missing size check within eCryptFS on Samsung mobile devices, specifically affecting versions M(6.0), N(7.x), and O(8.x). This flaw could allow improper memory handling, leading to potential security risks.

What to do

If exploited, this vulnerability could allow an attacker to manipulate memory allocation in unexpected ways, potentially leading to data corruption or unauthorized access. While there's no current evidence of active exploitation, the implications could be concerning if someone were to discover a way to leverage this flaw! To safeguard your device, make sure to update to the latest firmware provided by Samsung as soon as it's available. Regularly check for updates in your settings to ensure youโ€™re protected against known vulnerabilities. ๐Ÿ›ก๏ธ You've got this! Stay vigilant and keep your device updated to fend off potential threats! ๐Ÿ’ช๐Ÿ˜Š

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00443 ยท 37.1th percentile
Published
2020-04-08T17:27Z
EPSS history
Timeline
  • 08 APR 17:27Z
    An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software
    cvelistv5