CVE-2018-13871

An issue was discovered in the HDF HDF5 1.8.20 library

published July 10, 2018

CVSS
—
EPSS
2%
Percentile
78.9
In the wild
Unconfirmed
What it is

⚠️ A heap-based buffer overflow in HDF5 can put your data at risk! It's like having an overflowing suitcase that spills its contents all over the airport floor! 🧳 Think of HDF5 as a finely organized filing cabinet. If the drawers get too full (or in this case, a memory buffer is overloaded), documents can get lost or misfiled, resulting in chaos instead of organization. An attacker could leverage this buffer overflow to cause unexpected behavior in your application or even crash the system. While exploitation is not currently known, leaving this issue unresolved could lead to potential future vulnerabilities. Better safe than sorry!

Put simply

Think of HDF5 as a finely organized filing cabinet. If the drawers get too full (or in this case, a memory buffer is overloaded), documents can get lost or misfiled, resulting in chaos instead of organization. This vulnerability arises from the `H5FL_blk_malloc` function in the HDF5 library, which fails to properly manage memory allocation, potentially allowing malicious actors to manipulate memory leading to crashes or other unintended behaviors.

What to do

An attacker could leverage this buffer overflow to cause unexpected behavior in your application or even crash the system. While exploitation is not currently known, leaving this issue unresolved could lead to potential future vulnerabilities. Better safe than sorry! To mitigate this vulnerability, consider upgrading to the latest version of HDF5. Additionally, review your usage of this library and ensure proper memory management practices are implemented in your applications. Regularly check for updates to stay protected! You've got this! With the right steps, you can keep your data safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01853 · 78.9th percentile
Published
2018-07-10T21:00Z
EPSS history
Timeline
  • 10 JUL 21:00Z
    An issue was discovered in the HDF HDF5 1.8.20 library
    cvelistv5