CVE-2018-11203 : Security Advisory and Response
Learn about CVE-2018-11203, a division by zero issue in the HDF HDF5 1.10.2 library that could be exploited for a denial of service attack. Find mitigation steps and preventive measures here.
The HDF HDF5 1.10.2 library contains a division by zero vulnerability in the H5D__btree_decode_key function in H5Dbtree.c, potentially allowing for a remote denial of service attack.
Understanding CVE-2018-11203
This CVE identifies a specific vulnerability in the HDF HDF5 library that could be exploited by attackers.
What is CVE-2018-11203?
CVE-2018-11203 is a division by zero issue found in the H5D__btree_decode_key function within the H5Dbtree.c file of the HDF HDF5 1.10.2 library.
The Impact of CVE-2018-11203
This vulnerability could be leveraged by malicious actors to launch a denial of service attack remotely, potentially disrupting services or systems.
Technical Details of CVE-2018-11203
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability arises from a division by zero in the H5D__btree_decode_key function within the H5Dbtree.c file of the HDF HDF5 1.10.2 library.
Affected Systems and Versions
- Affected Systems: Not specified
- Affected Versions: HDF HDF5 1.10.2
Exploitation Mechanism
The vulnerability could be exploited remotely by triggering the division by zero issue in the H5D__btree_decode_key function, leading to a denial of service scenario.
Mitigation and Prevention
Protective measures to address the CVE.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor security advisories for any developments related to this vulnerability.
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 HDF HDF5 library is updated to a version that addresses the division by zero vulnerability.