CVE-2023-24304 is a high-severity vulnerability that exists in the PDF.dll plugin of IrfanView version 4.60. This vulnerability allows attackers to execute arbitrary code by opening a specially crafted PDF file. Given its CVSS score of 7.8, this vulnerability poses a significant risk to organizations using this software.
The improper input validation flaw underscores the importance of validating input data adequately. Attackers may leverage this vulnerability to conduct local attacks, potentially leading to unauthorized access and control over affected systems. Organizations should prioritize patching this vulnerability to mitigate potential threats.
The urgency for defenders is heightened due to the high impact on confidentiality, integrity, and availability, alongside the necessity of user interaction for exploitation. Organizations must take immediate action to address this vulnerability.
As of now, there are no known exploits or public proof of concepts available. However, the vulnerability's characteristics indicate that it could be exploited in the future if not addressed promptly.
Vulnerability Details
The vulnerability is classified under CWE-20, indicating improper input validation. The CVSS vector string for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, reflecting its high severity. The affected product is IrfanView, specifically version 4.60.
Published on March 28, 2023, the vulnerability remains critical, and organizations using IrfanView are advised to take immediate action to mitigate risks.
Technical Analysis
The root cause of this vulnerability lies in the improper validation of input data within the PDF.dll plugin. The attack vector is local, requiring an attacker to have access to the target machine. The attack complexity is low, meaning that successful exploitation does not require advanced skills.
Exploitation requires no privileges, but does necessitate user interaction, as the user must open the crafted PDF file. The impacts on confidentiality, integrity, and availability are all rated as high, indicating that a successful attack could lead to severe consequences.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2023-24304 is significant, as the improper input validation allows for arbitrary code execution. Organizations using IrfanView must understand the implications of this vulnerability, especially in environments where sensitive data may be processed.
The blast radius potential is extensive, as a successful exploit could compromise the integrity and availability of systems, leading to data breaches or system outages. Given the CVSS score and the potential for exploitation, organizations should address this vulnerability in their immediate patching cycle.
Organizations should prioritize patching immediately due to the high severity and potential impact of this vulnerability.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected version of the product is IrfanView v4.60. Organizations should ensure that they are running an updated version to mitigate this vulnerability.
Mitigation & Remediation
To remediate this vulnerability, organizations should upgrade to the latest version of IrfanView. In the absence of an immediate patch, consider implementing network controls to restrict access to untrusted PDF files. Additionally, monitoring for unusual application behavior may provide early indicators of exploitation.
For comprehensive security assessments, organizations can utilize penetration testing services to identify and address vulnerabilities proactively.
Detection Guidance
Organizations should monitor logs for any unusual activity related to IrfanView, particularly attempts to open PDF files. Behavioral anomalies, such as unexpected application crashes or unauthorized access attempts, should be investigated promptly.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2023-24304 lies in its demonstration of the critical need for input validation in software applications. As organizations increasingly rely on third-party applications for functionality, understanding the risks associated with vulnerabilities like this one is essential.
This vulnerability highlights a pattern where improper input validation leads to severe consequences. Security teams must prioritize secure coding practices and regular security assessments to identify and mitigate such vulnerabilities.
For further reading on effective vulnerability management, organizations can explore our comprehensive resources on vulnerability management programs, and consider implementing a continuous security posture through penetration testing methodologies to better prepare for future threats.
Investing in proactive security measures will not only help in mitigating current vulnerabilities but also in preventing potential future exploits.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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