CVE-2019-19555 : What You Need to Know
Learn about CVE-2019-19555 affecting Xfig fig2dev 3.2.7b due to a stack-based buffer overflow. Find out the impact, affected systems, exploitation details, and mitigation steps.
Xfig fig2dev 3.2.7b is affected by a stack-based buffer overflow in the read_textobject function, leading to a vulnerability due to an inaccurate sscanf operation.
Understanding CVE-2019-19555
What is CVE-2019-19555?
The vulnerability in Xfig fig2dev 3.2.7b arises from a stack-based buffer overflow caused by an incorrect sscanf operation in the read_textobject function within the read.c file.
The Impact of CVE-2019-19555
The vulnerability can be exploited by attackers to execute arbitrary code or cause a denial of service (DoS) on systems running the affected version.
Technical Details of CVE-2019-19555
Vulnerability Description
The stack-based buffer overflow in Xfig fig2dev 3.2.7b is a result of an inaccurate sscanf operation in the read_textobject function within the read.c file.
Affected Systems and Versions
- Product: Xfig fig2dev 3.2.7b
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting malicious input to trigger the stack-based buffer overflow, potentially leading to arbitrary code execution or DoS attacks.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by the vendor promptly.
- Implement proper input validation mechanisms to prevent buffer overflows.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security assessments and code reviews to identify and address potential security flaws.
Patching and Updates
Ensure that the Xfig fig2dev software is updated to a secure version that addresses the stack-based buffer overflow vulnerability.