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CVE-2023-40217 Report - Details, Severity, Advisories and More

CVE-2023-40217 Report - Details, Severity, Advisories and More

Twingate Team

Jan 11, 2024

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions, primarily impacting servers that use TLS client authentication. This issue allows unauthenticated data to be read by programs expecting data authenticated by client certificates, potentially leading to the disclosure of sensitive information. The vulnerability affects Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. Systems running these Python versions, including some NetApp products and servers using TLS client authentication, should be updated to mitigate the risk.

How do I know if I'm affected?

If you're using Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, or 3.11.x before 3.11.5, you might be affected by this vulnerability. This issue mainly impacts servers that use TLS client authentication. You could be affected if unauthenticated data is read by programs expecting data authenticated by client certificates, which could lead to the disclosure of sensitive information. Keep in mind that this vulnerability doesn't directly cause data leakage but may pose risks for modifying or deleting resources authenticated using only TLS client certificates.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to update your Python version to a secure one. To do this, upgrade to Python 3.8.18 or later, 3.9.18 or later, 3.10.13 or later, or 3.11.5 or later, depending on your current version. This will help protect your system from potential data disclosure risks.

Where can I go to learn more?

For more information and related advisories, solutions, and tools, check out the following resources:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40217 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog.

Weakness enumeration

The weakness enumeration for this vulnerability is "Insufficient Information", indicating a lack of specific details about the vulnerability and its mitigation.

For more details

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions and primarily impacting servers using TLS client authentication. By updating to a secure Python version or applying patches, you can mitigate the risk of unauthorized access to sensitive information. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.

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

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CVE-2023-40217 Report - Details, Severity, Advisories and More

CVE-2023-40217 Report - Details, Severity, Advisories and More

Twingate Team

Jan 11, 2024

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions, primarily impacting servers that use TLS client authentication. This issue allows unauthenticated data to be read by programs expecting data authenticated by client certificates, potentially leading to the disclosure of sensitive information. The vulnerability affects Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. Systems running these Python versions, including some NetApp products and servers using TLS client authentication, should be updated to mitigate the risk.

How do I know if I'm affected?

If you're using Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, or 3.11.x before 3.11.5, you might be affected by this vulnerability. This issue mainly impacts servers that use TLS client authentication. You could be affected if unauthenticated data is read by programs expecting data authenticated by client certificates, which could lead to the disclosure of sensitive information. Keep in mind that this vulnerability doesn't directly cause data leakage but may pose risks for modifying or deleting resources authenticated using only TLS client certificates.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to update your Python version to a secure one. To do this, upgrade to Python 3.8.18 or later, 3.9.18 or later, 3.10.13 or later, or 3.11.5 or later, depending on your current version. This will help protect your system from potential data disclosure risks.

Where can I go to learn more?

For more information and related advisories, solutions, and tools, check out the following resources:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40217 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog.

Weakness enumeration

The weakness enumeration for this vulnerability is "Insufficient Information", indicating a lack of specific details about the vulnerability and its mitigation.

For more details

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions and primarily impacting servers using TLS client authentication. By updating to a secure Python version or applying patches, you can mitigate the risk of unauthorized access to sensitive information. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.

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

CVE-2023-40217 Report - Details, Severity, Advisories and More

Twingate Team

Jan 11, 2024

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions, primarily impacting servers that use TLS client authentication. This issue allows unauthenticated data to be read by programs expecting data authenticated by client certificates, potentially leading to the disclosure of sensitive information. The vulnerability affects Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. Systems running these Python versions, including some NetApp products and servers using TLS client authentication, should be updated to mitigate the risk.

How do I know if I'm affected?

If you're using Python versions before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, or 3.11.x before 3.11.5, you might be affected by this vulnerability. This issue mainly impacts servers that use TLS client authentication. You could be affected if unauthenticated data is read by programs expecting data authenticated by client certificates, which could lead to the disclosure of sensitive information. Keep in mind that this vulnerability doesn't directly cause data leakage but may pose risks for modifying or deleting resources authenticated using only TLS client certificates.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to update your Python version to a secure one. To do this, upgrade to Python 3.8.18 or later, 3.9.18 or later, 3.10.13 or later, or 3.11.5 or later, depending on your current version. This will help protect your system from potential data disclosure risks.

Where can I go to learn more?

For more information and related advisories, solutions, and tools, check out the following resources:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-40217 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog.

Weakness enumeration

The weakness enumeration for this vulnerability is "Insufficient Information", indicating a lack of specific details about the vulnerability and its mitigation.

For more details

CVE-2023-40217 is a medium-severity vulnerability affecting certain Python versions and primarily impacting servers using TLS client authentication. By updating to a secure Python version or applying patches, you can mitigate the risk of unauthorized access to sensitive information. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.