CVE-2021-45908 : Security Advisory and Response

An issue was discovered in gif2apng 1.9 involving a stack-based buffer overflow with a while loop. The attacker has limited control over the stack data, reducing the potential for control subversion.

Understanding CVE-2021-45908

This CVE record highlights a vulnerability in gif2apng 1.9 that could lead to a stack-based buffer overflow.

What is CVE-2021-45908?

The CVE-2021-45908 vulnerability exists in gif2apng 1.9 due to a stack-based buffer overflow triggered by a specific while loop. Exploiting this flaw allows an attacker to potentially manipulate the flow of control.

The Impact of CVE-2021-45908

The limited influence of the attacker on the stack data reduces the likelihood of successfully subverting the flow of control.

Technical Details of CVE-2021-45908

This section delves into the technical aspects of the CVE-2021-45908 vulnerability.

Vulnerability Description

The vulnerability in gif2apng 1.9 is a stack-based buffer overflow caused by a while loop, potentially allowing an attacker to disrupt the flow of control.

Affected Systems and Versions

Product: gif2apng 1.9
Vendor: n/a
Versions: All versions are affected

Exploitation Mechanism

The vulnerability is exploited through a while loop, leading to a stack-based buffer overflow in gif2apng 1.9.

Mitigation and Prevention

Mitigation strategies to address the CVE-2021-45908 vulnerability.

Immediate Steps to Take

Monitor vendor updates for patches or security advisories.
Consider alternative software or workaround solutions to mitigate the risk.
Implement strict input validation to prevent buffer overflows.

Long-Term Security Practices

Regularly update software and apply patches promptly.
Conduct security assessments and code reviews to identify and address vulnerabilities.

Patching and Updates

Apply any patches or updates released by the vendor to remediate the stack-based buffer overflow in gif2apng 1.9.