CVE-2017-11117 : Vulnerability Insights and Analysis
Learn about CVE-2017-11117, a vulnerability in OpenExif 2.1.4 that allows remote attackers to cause denial of service and application crashes by exploiting a crafted jpg file. Find mitigation steps and prevention measures here.
OpenExif 2.1.4 allows remote attackers to cause a denial of service and application crash by exploiting a crafted jpg file in the ExifImageFile::readDHT function.
Understanding CVE-2017-11117
What is CVE-2017-11117?
The vulnerability in OpenExif 2.1.4 enables remote attackers to trigger a heap-based buffer over-read, leading to a denial of service and application crash.
The Impact of CVE-2017-11117
Exploiting this vulnerability can result in a denial of service and potentially crashing the affected application, posing a risk to system stability and availability.
Technical Details of CVE-2017-11117
Vulnerability Description
A crafted jpg file can exploit the ExifImageFile::readDHT function in OpenExif 2.1.4, causing a heap-based buffer over-read and leading to a denial of service and application crash.
Affected Systems and Versions
- Product: OpenExif 2.1.4
- Version: Not applicable
Exploitation Mechanism
Remote attackers can achieve the denial of service and application crash by triggering the heap-based buffer over-read through a specially crafted jpg file.
Mitigation and Prevention
Immediate Steps to Take
- Apply vendor patches or updates to address the vulnerability.
- Avoid opening or processing untrusted jpg files.
Long-Term Security Practices
- Regularly update software and applications to the latest versions.
- Implement network security measures to prevent remote exploitation.
- Conduct regular security assessments and audits.
Patching and Updates
Ensure timely installation of security patches and updates provided by the vendor to mitigate the vulnerability.