Learn about CVE-2019-19035, a heap-based buffer over-read vulnerability in jhead 3.03 that can lead to denial of service. Find out how to mitigate and prevent exploitation of this vulnerability.
jhead 3.03 is affected by a heap-based buffer over-read vulnerability that can lead to a denial of service. The vulnerability lies in the ReadJpegSections and process_SOFn components in jpgfile.c, which can be exploited by opening a specially crafted JPEG file.
Understanding CVE-2019-19035
This CVE entry describes a specific vulnerability in the jhead 3.03 software.
What is CVE-2019-19035?
The vulnerability in jhead 3.03 is a heap-based buffer over-read issue that can result in a denial of service. Attackers can exploit this vulnerability by manipulating a JPEG file.
The Impact of CVE-2019-19035
The vulnerability can lead to a denial of service, affecting the availability of the system. It poses a risk of crashing the software or system when processing a malicious JPEG file.
Technical Details of CVE-2019-19035
jhead 3.03 vulnerability details and affected systems.
Vulnerability Description
The vulnerability is a heap-based buffer over-read issue in jhead 3.03, specifically in the ReadJpegSections and process_SOFn components in jpgfile.c.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious JPEG file and tricking a user or system into opening it, triggering the heap-based buffer over-read.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-19035.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates