CVE-2020-15305 : What You Need to Know
Discover the impact of CVE-2020-15305, a vulnerability in OpenEXR versions prior to 2.5.2, potentially leading to a use-after-free condition and arbitrary code execution. Learn how to mitigate this security risk.
An issue was discovered in OpenEXR before 2.5.2. Invalid input could cause a use-after-free in DeepScanLineInputFile::DeepScanLineInputFile() in IlmImf/ImfDeepScanLineInputFile.cpp.
Understanding CVE-2020-15305
This CVE involves a vulnerability in OpenEXR that could lead to a use-after-free condition.
What is CVE-2020-15305?
CVE-2020-15305 is a security vulnerability found in OpenEXR versions prior to 2.5.2. The issue arises due to improper handling of input, potentially resulting in a use-after-free scenario in the DeepScanLineInputFile constructor in the file ImfDeepScanLineInputFile.cpp.
The Impact of CVE-2020-15305
The impact of this vulnerability includes the risk of exploitation by malicious actors to execute arbitrary code or cause a denial of service (DoS) on systems running affected versions of OpenEXR.
Technical Details of CVE-2020-15305
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in OpenEXR before version 2.5.2 allows for a use-after-free condition in the DeepScanLineInputFile constructor in the file ImfDeepScanLineInputFile.cpp when processing invalid input.
Affected Systems and Versions
- Product: OpenEXR
- Vendor: N/A
- Versions affected: All versions before 2.5.2
Exploitation Mechanism
The vulnerability can be exploited by providing specially crafted input to trigger the use-after-free condition, potentially leading to arbitrary code execution or a DoS situation.
Mitigation and Prevention
Protecting systems from CVE-2020-15305 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update OpenEXR to version 2.5.2 or later to mitigate the vulnerability.
- Monitor vendor advisories and security mailing lists for patches and updates.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Implement robust input validation mechanisms to prevent similar vulnerabilities.
Patching and Updates
Ensure timely installation of security patches and updates provided by OpenEXR to address CVE-2020-15305.