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CVE-2023-40477 Report - Details, Severity, & Advisorie...

CVE-2023-40477 Report - Details, Severity, & Advisories

Twingate Team

Jun 6, 2024

What is CVE-2023-40477?

CVE-2023-40477 is a high-severity vulnerability affecting RARLAB WinRAR software, which allows remote attackers to execute arbitrary code on affected systems. To exploit this vulnerability, user interaction is required, such as visiting a malicious page or opening a malicious file. The issue stems from improper validation of user-supplied data, leading to memory access beyond the allocated buffer.

Who is impacted by CVE-2023-40477?

The vulnerability is related to improper validation of user-supplied data, leading to memory access beyond the allocated buffer. While specific affected versions are not mentioned, it is important for users to keep their software up-to-date to minimize the risk of exploitation. Systems with RARLAB WinRAR installations are at risk, emphasizing the importance of keeping software up-to-date and exercising caution when interacting with unfamiliar files or websites.

What to do if CVE-2023-40477 affected you

If you're affected by the CVE-2023-40477 vulnerability, it's crucial to take action to protect your system. Follow these simple steps:

  1. Update your RARLAB WinRAR software to the latest version, as mentioned in the WinRAR 7.01 Final release announcement.

  2. Exercise caution when opening files or visiting websites from unknown sources.

  3. Regularly check for software updates and apply them promptly.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40477 vulnerability in RARLAB WinRAR software is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, named "RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability," was added to the NVD on 05/02/2024. No specific due date or required action is mentioned, but users are advised to update their software and follow security best practices to minimize risk.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-129, which involves improper validation of array index in RARLAB WinRAR software.

Learn More

For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the sources listed below.

Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.

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CVE-2023-40477 Report - Details, Severity, & Advisorie...

CVE-2023-40477 Report - Details, Severity, & Advisories

Twingate Team

Jun 6, 2024

What is CVE-2023-40477?

CVE-2023-40477 is a high-severity vulnerability affecting RARLAB WinRAR software, which allows remote attackers to execute arbitrary code on affected systems. To exploit this vulnerability, user interaction is required, such as visiting a malicious page or opening a malicious file. The issue stems from improper validation of user-supplied data, leading to memory access beyond the allocated buffer.

Who is impacted by CVE-2023-40477?

The vulnerability is related to improper validation of user-supplied data, leading to memory access beyond the allocated buffer. While specific affected versions are not mentioned, it is important for users to keep their software up-to-date to minimize the risk of exploitation. Systems with RARLAB WinRAR installations are at risk, emphasizing the importance of keeping software up-to-date and exercising caution when interacting with unfamiliar files or websites.

What to do if CVE-2023-40477 affected you

If you're affected by the CVE-2023-40477 vulnerability, it's crucial to take action to protect your system. Follow these simple steps:

  1. Update your RARLAB WinRAR software to the latest version, as mentioned in the WinRAR 7.01 Final release announcement.

  2. Exercise caution when opening files or visiting websites from unknown sources.

  3. Regularly check for software updates and apply them promptly.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40477 vulnerability in RARLAB WinRAR software is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, named "RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability," was added to the NVD on 05/02/2024. No specific due date or required action is mentioned, but users are advised to update their software and follow security best practices to minimize risk.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-129, which involves improper validation of array index in RARLAB WinRAR software.

Learn More

For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the sources listed below.

Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.

CVE-2023-40477 Report - Details, Severity, & Advisories

Twingate Team

Jun 6, 2024

What is CVE-2023-40477?

CVE-2023-40477 is a high-severity vulnerability affecting RARLAB WinRAR software, which allows remote attackers to execute arbitrary code on affected systems. To exploit this vulnerability, user interaction is required, such as visiting a malicious page or opening a malicious file. The issue stems from improper validation of user-supplied data, leading to memory access beyond the allocated buffer.

Who is impacted by CVE-2023-40477?

The vulnerability is related to improper validation of user-supplied data, leading to memory access beyond the allocated buffer. While specific affected versions are not mentioned, it is important for users to keep their software up-to-date to minimize the risk of exploitation. Systems with RARLAB WinRAR installations are at risk, emphasizing the importance of keeping software up-to-date and exercising caution when interacting with unfamiliar files or websites.

What to do if CVE-2023-40477 affected you

If you're affected by the CVE-2023-40477 vulnerability, it's crucial to take action to protect your system. Follow these simple steps:

  1. Update your RARLAB WinRAR software to the latest version, as mentioned in the WinRAR 7.01 Final release announcement.

  2. Exercise caution when opening files or visiting websites from unknown sources.

  3. Regularly check for software updates and apply them promptly.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40477 vulnerability in RARLAB WinRAR software is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, named "RARLAB WinRAR Recovery Volume Improper Validation of Array Index Remote Code Execution Vulnerability," was added to the NVD on 05/02/2024. No specific due date or required action is mentioned, but users are advised to update their software and follow security best practices to minimize risk.

Weakness Enumeration

The weakness enumeration for this vulnerability is categorized as CWE-129, which involves improper validation of array index in RARLAB WinRAR software.

Learn More

For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the sources listed below.