CVE-2019-8398 : Security Advisory and Response

The HDF HDF5 1.10.4 library has a vulnerability in the function H5T_get_size in H5T.c, leading to an out-of-bounds read issue.

Understanding CVE-2019-8398

This CVE involves a specific vulnerability in the HDF HDF5 library.

What is CVE-2019-8398?

CVE-2019-8398 is a security vulnerability in the HDF HDF5 1.10.4 library, specifically in the function H5T_get_size in H5T.c. This flaw results in an out-of-bounds read problem.

The Impact of CVE-2019-8398

The vulnerability can potentially be exploited by attackers to read sensitive information or cause a denial of service by crashing the application.

Technical Details of CVE-2019-8398

This section provides more technical insights into the CVE.

Vulnerability Description

The issue lies in an out-of-bounds read in the H5T_get_size function within the H5T.c file of the HDF HDF5 1.10.4 library.

Affected Systems and Versions

Affected Systems: Not specified
Affected Versions: HDF HDF5 1.10.4

Exploitation Mechanism

Attackers can exploit this vulnerability to read beyond the bounds of allocated memory, potentially leading to information disclosure or service disruption.

Mitigation and Prevention

Protecting systems from CVE-2019-8398 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Monitor security advisories for any new information or patches related to this vulnerability.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement strong input validation mechanisms to prevent buffer overflows and out-of-bounds read issues.

Patching and Updates

Ensure that the HDF HDF5 library is updated to a patched version that addresses the out-of-bounds read vulnerability.