CVE-2023-24473 : Security Advisory and Response

This CVE record was published on March 30, 2023, by Talos. It involves an information disclosure vulnerability in the TGAInput::read_tga2_header function of OpenImageIO Project OpenImageIO v2.4.7.1. The vulnerability can be exploited by a specially crafted targa file, leading to the disclosure of sensitive information.

Understanding CVE-2023-24473

This section delves into the specifics of CVE-2023-24473, including its impact and technical details.

What is CVE-2023-24473?

CVE-2023-24473 is an information disclosure vulnerability found in OpenImageIO Project OpenImageIO v2.4.7.1. It arises from a flaw in the TGAInput::read_tga2_header function, allowing an attacker to expose sensitive data by using a malicious TGA file.

The Impact of CVE-2023-24473

The impact of this vulnerability is classified as medium, with a base score of 5.3. An attacker can exploit this issue to disclose confidential information, although the integrity and availability of the system remain unaffected.

Technical Details of CVE-2023-24473

In-depth technical information about the vulnerability, affected systems, and exploitation mechanisms is discussed here.

Vulnerability Description

The vulnerability stems from an out-of-bounds read (CWE-125) in the TGAInput::read_tga2_header function, enabling unauthorized access to sensitive data within OpenImageIO.

Affected Systems and Versions

OpenImageIO Project's version v2.4.7.1 is confirmed to be affected by CVE-2023-24473, potentially putting systems utilizing this version at risk.

Exploitation Mechanism

By supplying a specially crafted targa file, an attacker can trigger the vulnerability in OpenImageIO, leading to the exposure of confidential information.

Mitigation and Prevention

This section outlines the steps to mitigate the risks associated with CVE-2023-24473 and prevent potential exploitation.

Immediate Steps to Take

To mitigate the vulnerability, affected users should refrain from opening untrusted or unknown TGA files until a patch or update is available. Implementing file type restrictions and monitoring file activities can also reduce the risk of exploitation.

Long-Term Security Practices

In the long term, practicing data minimization, regularly updating software, and maintaining strong access controls can enhance overall security posture and mitigate the impact of similar vulnerabilities.

Patching and Updates

Users of OpenImageIO v2.4.7.1 are advised to monitor security advisories from the vendor for patches addressing CVE-2023-24473. Applying security updates promptly can help mitigate the risk of exploitation and protect systems from potential data leaks.