CVE-2020-10812 : Vulnerability Insights and Analysis

An issue was discovered in HDF5 through 1.12.0 where a NULL pointer dereference exists in the function H5F_get_nrefs() in H5Fquery.c, allowing an attacker to cause Denial of Service.

Understanding CVE-2020-10812

This CVE involves a vulnerability in HDF5 through version 1.12.0 that can lead to a Denial of Service attack.

What is CVE-2020-10812?

CVE-2020-10812 is a security vulnerability found in HDF5 through version 1.12.0, enabling attackers to exploit a NULL pointer dereference in the H5F_get_nrefs() function within H5Fquery.c.

The Impact of CVE-2020-10812

The vulnerability allows malicious actors to trigger a Denial of Service attack, potentially disrupting the availability of the affected system.

Technical Details of CVE-2020-10812

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

A NULL pointer dereference flaw in the H5F_get_nrefs() function in H5Fquery.c within HDF5 through 1.12.0 can be exploited by attackers.

Affected Systems and Versions

Product: HDF5
Vendor: N/A
Versions affected: All versions up to and including 1.12.0

Exploitation Mechanism

Attackers can exploit the NULL pointer dereference in H5F_get_nrefs() to launch a Denial of Service attack.

Mitigation and Prevention

Protecting systems from CVE-2020-10812 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply vendor patches or updates promptly to mitigate the vulnerability.
Monitor security advisories for any new information or patches related to this CVE.

Long-Term Security Practices

Regularly update and patch software to prevent known vulnerabilities.
Implement network security measures to detect and block potential attacks.

Patching and Updates

Ensure that the HDF5 software is updated to version 1.12.1 or later to address the vulnerability.