CVE-2017-11115 : What You Need to Know
Learn about CVE-2017-11115, a vulnerability in OpenExif 2.1.4 that allows a denial of service and application crash via a crafted jpg file. Find out how to mitigate and prevent this issue.
OpenExif 2.1.4 allows a denial of service and application crash via a crafted jpg file exploiting a heap-based buffer overflow.
Understanding CVE-2017-11115
What is CVE-2017-11115?
The vulnerability in OpenExif 2.1.4 can be exploited by a crafted jpg file to trigger a denial of service and application crash.
The Impact of CVE-2017-11115
The vulnerability allows remote attackers to cause a denial of service through a heap-based buffer overflow and application crash.
Technical Details of CVE-2017-11115
Vulnerability Description
The ExifJpegHUFFTable::deriveTable function in ExifHuffmanTable.cpp in OpenExif 2.1.4 is susceptible to exploitation via a crafted jpg file.
Affected Systems and Versions
- Product: OpenExif 2.1.4
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability is triggered by exploiting the ExifJpegHUFFTable::deriveTable function in ExifHuffmanTable.cpp using a crafted jpg file.
Mitigation and Prevention
Immediate Steps to Take
- Implement file input validation to prevent the upload of malicious jpg files.
- Update OpenExif to the latest version to patch the vulnerability.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and mitigate potential risks.
Patching and Updates
- Apply patches and updates provided by OpenExif to fix the vulnerability.