CVE-2020-21533 : Security Advisory and Response

fig2dev 3.2.7b contains a stack buffer overflow in the read_textobject function in read.c.

Understanding CVE-2020-21533

fig2dev 3.2.7b has a vulnerability that allows a stack buffer overflow in the read_textobject function in read.c.

What is CVE-2020-21533?

The CVE-2020-21533 vulnerability is present in fig2dev 3.2.7b due to a stack buffer overflow in the read_textobject function in read.c.

The Impact of CVE-2020-21533

This vulnerability could potentially allow an attacker to execute arbitrary code or crash the application, leading to a denial of service.

Technical Details of CVE-2020-21533

fig2dev 3.2.7b is affected by a stack buffer overflow in the read_textobject function in read.c.

Vulnerability Description

The vulnerability arises from improper handling of input data, leading to a stack buffer overflow.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious input that triggers the stack buffer overflow.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the CVE-2020-21533 vulnerability.

Immediate Steps to Take

Apply the security update provided by fig2dev promptly.
Monitor vendor communications for any additional patches or recommendations.

Long-Term Security Practices

Regularly update software and systems to prevent known vulnerabilities.
Implement input validation and secure coding practices to mitigate buffer overflow risks.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure that all relevant security patches and updates are applied to fig2dev to address the stack buffer overflow vulnerability.