CVE-2017-11116 Explained : Impact and Mitigation
Learn about CVE-2017-11116 affecting OpenExif 2.1.4. Remote attackers can exploit a denial-of-service vulnerability, causing a heap-based buffer over-read and application crash via a crafted jpg file.
OpenExif 2.1.4 contains a vulnerability in the ExifImageFileRead.cpp file that allows remote attackers to trigger a denial-of-service attack by exploiting the ExifImageFile::readDQT function. This can lead to a heap-based buffer over-read, resulting in a crash of the application when processing a specially crafted jpg file.
Understanding CVE-2017-11116
This CVE entry details a specific vulnerability in OpenExif 2.1.4 that can be exploited remotely to cause a denial-of-service attack.
What is CVE-2017-11116?
The vulnerability in OpenExif 2.1.4 allows remote attackers to exploit the ExifImageFile::readDQT function, leading to a denial-of-service attack and potential application crash when processing a malicious jpg file.
The Impact of CVE-2017-11116
The exploitation of this vulnerability can result in a heap-based buffer over-read, causing the application to crash and potentially disrupting its normal operation.
Technical Details of CVE-2017-11116
OpenExif 2.1.4 vulnerability details and its impact on affected systems.
Vulnerability Description
The ExifImageFile::readDQT function in ExifImageFileRead.cpp within OpenExif 2.1.4 is susceptible to exploitation by remote attackers, leading to a denial-of-service attack and application crash.
Affected Systems and Versions
- Product: OpenExif 2.1.4
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
- Attackers can exploit the ExifImageFile::readDQT function in OpenExif 2.1.4 by using a specially crafted jpg file.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2017-11116 vulnerability.
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Avoid opening or processing untrusted jpg files.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Implement network security measures to prevent remote exploitation.
Patching and Updates
- Keep OpenExif software up to date with the latest patches and versions to mitigate the vulnerability.