CVE-2017-7623 : Security Advisory and Response

ImageWorsener 1.3.0 is susceptible to a denial of service vulnerability due to a heap-based buffer over-read issue in the iwmiffr_convert_row32 function.

Understanding CVE-2017-7623

This CVE entry describes a specific vulnerability in ImageWorsener 1.3.0 that can be exploited to cause a denial of service.

What is CVE-2017-7623?

The vulnerability lies in the iwmiffr_convert_row32 function within libimageworsener.a in ImageWorsener 1.3.0. By manipulating a crafted file, attackers can trigger a heap-based buffer over-read, leading to a denial of service.

The Impact of CVE-2017-7623

Exploitation of this vulnerability can result in a denial of service condition, potentially disrupting the normal operation of the affected system.

Technical Details of CVE-2017-7623

ImageWorsener 1.3.0 is affected by the following technical aspects:

Vulnerability Description

The iwmiffr_convert_row32 function in imagew-miff.c within libimageworsener.a in ImageWorsener 1.3.0 allows remote attackers to cause a denial of service through a heap-based buffer over-read by using a specially crafted file.

Affected Systems and Versions

Product: ImageWorsener 1.3.0
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit this vulnerability by providing a malicious file to the affected function, triggering the heap-based buffer over-read.

Mitigation and Prevention

To address CVE-2017-7623, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Avoid opening files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement network security measures to detect and block malicious file uploads.

Patching and Updates

Ensure that ImageWorsener is updated to a version that includes a fix for the heap-based buffer over-read vulnerability.