CVE-2019-14193

An issue was discovered in Das U-Boot through 2019.07

published July 31, 2019

CVSS
—
EPSS
3%
Percentile
85.0
In the wild
Unconfirmed
What it is

⚠️ An unbounded memcpy lurks in Das U-Boot, waiting for the perfect moment to misbehave! This sneaky flaw could threaten the integrity of your system operations. 🔍 Think of it like a restaurant kitchen that doesn’t double-check the size of the pizza box before baking — if the box is too big, the pizza spills over, causing chaos! Similarly, this memcpy can go beyond expected limits, leading to unexpected behavior. If exploited, an attacker could potentially manipulate data by overflowing buffers, which might lead to erratic behavior or security vulnerabilities down the line. While this isn't currently being exploited, the implications of mishandled data could be quite unsettling!

Put simply

Think of it like a restaurant kitchen that doesn’t double-check the size of the pizza box before baking — if the box is too big, the pizza spills over, causing chaos! Similarly, this memcpy can go beyond expected limits, leading to unexpected behavior. This vulnerability in Das U-Boot occurs due to an unbounded memcpy function in the nfs_readlink_reply, where the length isn't properly validated, allowing for potential buffer overflows.

What to do

If exploited, an attacker could potentially manipulate data by overflowing buffers, which might lead to erratic behavior or security vulnerabilities down the line. While this isn't currently being exploited, the implications of mishandled data could be quite unsettling! To address this issue, make sure to upgrade to the latest version of Das U-Boot where this has been resolved. Additionally, check for proper validation of lengths in your memcpy functions to prevent similar vulnerabilities. You’ve got this! Stay vigilant, patch up, and keep your systems safe! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02570 · 85.0th percentile
Published
2019-07-31T12:35Z
EPSS history
Timeline
  • 31 JUL 12:35Z
    An issue was discovered in Das U-Boot through 2019.07
    cvelistv5