CVE-2021-46242 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-46242, a heap-use-after free vulnerability in HDF5 v1.13.1-1, its exploitation mechanism, affected systems, and mitigation steps to safeguard your systems.
HDF5 v1.13.1-1 was discovered to contain a heap-use-after free vulnerability via the component H5AC_unpin_entry.
Understanding CVE-2021-46242
What is CVE-2021-46242?
CVE-2021-46242 is a vulnerability found in HDF5 v1.13.1-1, allowing a heap-use-after free attack through the H5AC_unpin_entry component.
The Impact of CVE-2021-46242
This vulnerability could potentially lead to remote code execution or the crashing of an application, posing a significant security risk.
Technical Details of CVE-2021-46242
Vulnerability Description
The issue arises from a heap-use-after free condition within the H5AC_unpin_entry component of HDF5 v1.13.1-1.
Affected Systems and Versions
- Affected Systems: Not applicable
- Affected Versions: HDF5 v1.13.1-1
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious input to trigger the heap-use-after free condition, potentially leading to arbitrary code execution.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by the vendor.
- Monitor security advisories for any patches or workarounds.
Long-Term Security Practices
- Conduct regular security audits and vulnerability assessments.
- Implement secure coding practices and proper input validation.
Patching and Updates
It is crucial to stay informed about security updates from the vendor and promptly apply patches to mitigate the risk of exploitation.