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CVE-2022-3786 Report - Details, Severity, Advisories and More

CVE-2022-3786 Report - Details, Severity, Advisories and More

Twingate Team

Jan 4, 2024

CVE-2022-3786 is a high-severity vulnerability affecting systems that use OpenSSL, specifically those utilizing the punycode decoder functionality. This vulnerability can lead to a buffer overrun in X.509 certificate verification, potentially causing crashes and denial of service. Systems running OpenSSL versions 3.0.0 to 3.0.6 are affected, and it is recommended to upgrade to OpenSSL 3.0.7 to mitigate the issue.

How do I know if I'm affected?

If you're using OpenSSL, you might be affected by this vulnerability. This issue can cause crashes and denial of service due to a buffer overrun in X.509 certificate verification. You're at risk if your system runs OpenSSL versions 3.0.0 to 3.0.6. To check if you're affected, look for issues in name constraint checking and certificate chain signature verification.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to upgrade your OpenSSL to version 3.0.7 if you're using versions 3.0.0 to 3.0.6. This update will help mitigate the risk and protect your system. OpenSSL 1.1.1 and 1.0.2 are not affected by this issue.

Where can I go to learn more?

For more information on the CVE-2022-3786 vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

This vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue involves a buffer overrun in X.509 certificate verification, which can lead to crashes and denial of service. Affected systems should upgrade to OpenSSL 3.0.7 to mitigate the risk. As of now, there is no evidence of this vulnerability being exploited.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-120, involves a buffer overflow in X.509 certificate verification, which can lead to crashes and denial of service. Upgrading to OpenSSL 3.0.7 can mitigate this issue.

For more details

CVE-2022-3786 is a high-severity vulnerability that can lead to crashes and denial of service in systems using OpenSSL. Upgrading to OpenSSL 3.0.7 can help mitigate this issue. 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-2022-3786 Report - Details, Severity, Advisories and More

CVE-2022-3786 Report - Details, Severity, Advisories and More

Twingate Team

Jan 4, 2024

CVE-2022-3786 is a high-severity vulnerability affecting systems that use OpenSSL, specifically those utilizing the punycode decoder functionality. This vulnerability can lead to a buffer overrun in X.509 certificate verification, potentially causing crashes and denial of service. Systems running OpenSSL versions 3.0.0 to 3.0.6 are affected, and it is recommended to upgrade to OpenSSL 3.0.7 to mitigate the issue.

How do I know if I'm affected?

If you're using OpenSSL, you might be affected by this vulnerability. This issue can cause crashes and denial of service due to a buffer overrun in X.509 certificate verification. You're at risk if your system runs OpenSSL versions 3.0.0 to 3.0.6. To check if you're affected, look for issues in name constraint checking and certificate chain signature verification.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to upgrade your OpenSSL to version 3.0.7 if you're using versions 3.0.0 to 3.0.6. This update will help mitigate the risk and protect your system. OpenSSL 1.1.1 and 1.0.2 are not affected by this issue.

Where can I go to learn more?

For more information on the CVE-2022-3786 vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

This vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue involves a buffer overrun in X.509 certificate verification, which can lead to crashes and denial of service. Affected systems should upgrade to OpenSSL 3.0.7 to mitigate the risk. As of now, there is no evidence of this vulnerability being exploited.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-120, involves a buffer overflow in X.509 certificate verification, which can lead to crashes and denial of service. Upgrading to OpenSSL 3.0.7 can mitigate this issue.

For more details

CVE-2022-3786 is a high-severity vulnerability that can lead to crashes and denial of service in systems using OpenSSL. Upgrading to OpenSSL 3.0.7 can help mitigate this issue. 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-2022-3786 Report - Details, Severity, Advisories and More

Twingate Team

Jan 4, 2024

CVE-2022-3786 is a high-severity vulnerability affecting systems that use OpenSSL, specifically those utilizing the punycode decoder functionality. This vulnerability can lead to a buffer overrun in X.509 certificate verification, potentially causing crashes and denial of service. Systems running OpenSSL versions 3.0.0 to 3.0.6 are affected, and it is recommended to upgrade to OpenSSL 3.0.7 to mitigate the issue.

How do I know if I'm affected?

If you're using OpenSSL, you might be affected by this vulnerability. This issue can cause crashes and denial of service due to a buffer overrun in X.509 certificate verification. You're at risk if your system runs OpenSSL versions 3.0.0 to 3.0.6. To check if you're affected, look for issues in name constraint checking and certificate chain signature verification.

What should I do if I'm affected?

If you're affected by this vulnerability, it's important to upgrade your OpenSSL to version 3.0.7 if you're using versions 3.0.0 to 3.0.6. This update will help mitigate the risk and protect your system. OpenSSL 1.1.1 and 1.0.2 are not affected by this issue.

Where can I go to learn more?

For more information on the CVE-2022-3786 vulnerability and related resources, check out the following references:

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

This vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This issue involves a buffer overrun in X.509 certificate verification, which can lead to crashes and denial of service. Affected systems should upgrade to OpenSSL 3.0.7 to mitigate the risk. As of now, there is no evidence of this vulnerability being exploited.

Weakness enumeration

The weakness enumeration for this vulnerability is categorized as CWE-120, involves a buffer overflow in X.509 certificate verification, which can lead to crashes and denial of service. Upgrading to OpenSSL 3.0.7 can mitigate this issue.

For more details

CVE-2022-3786 is a high-severity vulnerability that can lead to crashes and denial of service in systems using OpenSSL. Upgrading to OpenSSL 3.0.7 can help mitigate this issue. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, refer to the NVD page.