CVE-2019-16395 : What You Need to Know
Discover the impact of CVE-2019-16395 on GnuCOBOL 2.2. Learn about the stack-based buffer overflow vulnerability, affected systems, exploitation risks, and mitigation steps.
GnuCOBOL 2.2 has a vulnerability in the cb_name() function that can lead to a stack-based buffer overflow when processing manipulated COBOL source code.
Understanding CVE-2019-16395
This CVE identifies a specific vulnerability in GnuCOBOL 2.2.
What is CVE-2019-16395?
The cb_name() function in cobc/tree.c of GnuCOBOL 2.2 is susceptible to a stack-based buffer overflow due to improper handling of manipulated COBOL source code.
The Impact of CVE-2019-16395
This vulnerability could be exploited by attackers to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2019-16395
Gaining insight into the technical aspects of this CVE.
Vulnerability Description
The cb_name() function in GnuCOBOL 2.2 is vulnerable to a stack-based buffer overflow when processing manipulated COBOL source code.
Affected Systems and Versions
- Product: GnuCOBOL 2.2
- Version: All versions are affected
Exploitation Mechanism
The vulnerability arises when processing specially crafted COBOL source code, leading to a stack-based buffer overflow.
Mitigation and Prevention
Understanding how to address and prevent the CVE.
Immediate Steps to Take
- Update GnuCOBOL to a patched version that addresses the buffer overflow issue.
- Avoid processing untrusted or manipulated COBOL source code.
Long-Term Security Practices
- Regularly update software to the latest secure versions.
- Implement secure coding practices to prevent buffer overflows and other vulnerabilities.
Patching and Updates
Ensure timely application of security patches and updates to mitigate the risk of exploitation.