CVE-2021-28233 : Security Advisory and Response

A Heap-based Buffer Overflow vulnerability has been identified in ok-file-formats 1. This CVE impacts the ok_jpg_generate_huffman_table function in ok_jpg.c.

Understanding CVE-2021-28233

This section provides details about the vulnerability and its implications.

What is CVE-2021-28233?

The CVE-2021-28233 is a Heap-based Buffer Overflow vulnerability in ok-file-formats 1 that occurs in the ok_jpg_generate_huffman_table function in ok_jpg.c.

The Impact of CVE-2021-28233

The vulnerability can potentially be exploited by attackers to execute arbitrary code, leading to a compromise of the affected system's integrity.

Technical Details of CVE-2021-28233

Explore the specific technical aspects of the CVE in this section.

Vulnerability Description

The vulnerability stems from insufficient bounds checking in the ok_jpg_generate_huffman_table function, allowing attackers to overwrite adjacent memory locations.

Affected Systems and Versions

The affected system is ok-file-formats 1, impacting all versions that utilize the vulnerable ok_jpg_generate_huffman_table function.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input that triggers the buffer overflow, potentially leading to remote code execution.

Mitigation and Prevention

Discover the necessary steps to mitigate the risk posed by CVE-2021-28233.

Immediate Steps to Take

Immediately address the vulnerability by applying patches or security updates provided by the vendor.

Long-Term Security Practices

Enhance system security by implementing secure coding practices, regular security assessments, and employee awareness programs.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.