CVE-2019-19004 : Exploit Details and Defense Strategies
Learn about CVE-2019-19004, an integer overflow vulnerability in Autotrace 0.31.1's input-bmp.c file, allowing attackers to manipulate memory allocation via corrupted bitmap images. Find mitigation steps and prevention measures here.
Autotrace 0.31.1 input-bmp.c File Integer Overflow Vulnerability
Understanding CVE-2019-19004
What is CVE-2019-19004?
The CVE-2019-19004 vulnerability exists in the input-bmp.c file of Autotrace 0.31.1, involving a potential integer overflow issue with the biWidth*biBitCnt parameter. Attackers could exploit this vulnerability by providing abnormal input values to the malloc function through a corrupted bitmap image.
The Impact of CVE-2019-19004
This vulnerability allows attackers to manipulate memory allocation through malformed bitmap images, potentially leading to arbitrary code execution or denial of service.
Technical Details of CVE-2019-19004
Vulnerability Description
The vulnerability arises from an integer overflow in the calculation of biWidth*biBitCnt in the input-bmp.c file of Autotrace 0.31.1.
Affected Systems and Versions
- Product: Autotrace
- Version: 0.31.1
Exploitation Mechanism
Attackers can exploit this vulnerability by providing unexpected input values to the malloc function via corrupted bitmap images.
Mitigation and Prevention
Immediate Steps to Take
- Update Autotrace to a patched version that addresses the integer overflow vulnerability.
- Avoid opening bitmap images from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and apply security patches to prevent known vulnerabilities.
- Implement input validation mechanisms to detect and block abnormal input values.
Patching and Updates
Ensure timely installation of security updates and patches provided by Autotrace to mitigate the CVE-2019-19004 vulnerability.