CVE-2019-14468 : Security Advisory and Response

A buffer overflow vulnerability exists in GnuCOBOL 2.2, specifically in cb_push_op within cobc/field.c. This flaw can be exploited by utilizing specially crafted COBOL source code.

Understanding CVE-2019-14468

This CVE entry describes a critical buffer overflow vulnerability in GnuCOBOL 2.2.

What is CVE-2019-14468?

The vulnerability is located in the cb_push_op function within cobc/field.c in GnuCOBOL 2.2, allowing attackers to execute arbitrary code by providing malicious COBOL source code.

The Impact of CVE-2019-14468

Exploitation of this vulnerability could lead to remote code execution, denial of service, or other malicious activities by attackers.

Technical Details of CVE-2019-14468

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

A buffer overflow occurs in cb_push_op within cobc/field.c in GnuCOBOL 2.2 due to improper input validation, enabling attackers to overwrite memory and potentially execute arbitrary code.

Affected Systems and Versions

Product: GnuCOBOL 2.2
Vendor: n/a
Versions: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious COBOL source code that triggers the buffer overflow in the cb_push_op function.

Mitigation and Prevention

Protecting systems from CVE-2019-14468 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor to mitigate the vulnerability.
Monitor and restrict network access to vulnerable systems.
Implement strong input validation mechanisms to prevent buffer overflows.

Long-Term Security Practices

Conduct regular security assessments and code reviews to identify and address vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Stay informed about security advisories and updates from GnuCOBOL to apply patches promptly and enhance system security.