CVE-2023-51767 Report - Details, Severity, & Advisories
Twingate Team
•
May 30, 2024
What is CVE-2023-51767?
A recently discovered vulnerability, CVE-2023-51767, poses a significant risk to systems running OpenSSH through 9.6 with common types of DRAM. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of "authenticated" in the mm_answer_authpassword function. The vulnerability is particularly concerning for systems where the attacker and victim share the same location and the attacker has user privileges. To protect against this threat, it is crucial for organizations to stay informed and take appropriate security measures.
Who is impacted?
The CVE-2023-51767 vulnerability affects users of OpenSSH up to and including version 9.6, particularly when common types of DRAM are used. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of authenticated in the mm_answer_authpassword function. The vulnerability is especially concerning for systems where the attacker and victim share the same location and the attacker has user privileges.
What to do if CVE-2023-51767 affected you
If you're affected by the CVE-2023-51767 vulnerability, it's crucial to stay informed and take appropriate security measures. Unfortunately, specific mitigation steps or recommended actions are not provided by the sources. However, you can refer to the Red Hat Customer Portal and Bugzilla report for additional information to better understand the vulnerability and potential ways to address it.
Is it in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2023-51767 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, known as an authentication bypass via row hammer attack, was added to public records on December 23, 2023. Unfortunately, specific mitigation steps or required actions are not provided by the sources, making it crucial for affected organizations to stay informed and take appropriate security measures.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as NVD-CWE-Other, indicating a lack of specific details about the vulnerability and its mitigation.
Learn More
CVE-2023-51767 highlights the importance of staying informed and taking appropriate security measures to protect against vulnerabilities. For a comprehensive understanding of this high-severity issue, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the resources listed below.
Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.
CVE-2023-51767 Report - Details, Severity, & Advisories
Twingate Team
•
May 30, 2024
What is CVE-2023-51767?
A recently discovered vulnerability, CVE-2023-51767, poses a significant risk to systems running OpenSSH through 9.6 with common types of DRAM. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of "authenticated" in the mm_answer_authpassword function. The vulnerability is particularly concerning for systems where the attacker and victim share the same location and the attacker has user privileges. To protect against this threat, it is crucial for organizations to stay informed and take appropriate security measures.
Who is impacted?
The CVE-2023-51767 vulnerability affects users of OpenSSH up to and including version 9.6, particularly when common types of DRAM are used. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of authenticated in the mm_answer_authpassword function. The vulnerability is especially concerning for systems where the attacker and victim share the same location and the attacker has user privileges.
What to do if CVE-2023-51767 affected you
If you're affected by the CVE-2023-51767 vulnerability, it's crucial to stay informed and take appropriate security measures. Unfortunately, specific mitigation steps or recommended actions are not provided by the sources. However, you can refer to the Red Hat Customer Portal and Bugzilla report for additional information to better understand the vulnerability and potential ways to address it.
Is it in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2023-51767 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, known as an authentication bypass via row hammer attack, was added to public records on December 23, 2023. Unfortunately, specific mitigation steps or required actions are not provided by the sources, making it crucial for affected organizations to stay informed and take appropriate security measures.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as NVD-CWE-Other, indicating a lack of specific details about the vulnerability and its mitigation.
Learn More
CVE-2023-51767 highlights the importance of staying informed and taking appropriate security measures to protect against vulnerabilities. For a comprehensive understanding of this high-severity issue, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the resources listed below.
Rapidly implement a modern Zero Trust network that is more secure and maintainable than VPNs.
CVE-2023-51767 Report - Details, Severity, & Advisories
Twingate Team
•
May 30, 2024
What is CVE-2023-51767?
A recently discovered vulnerability, CVE-2023-51767, poses a significant risk to systems running OpenSSH through 9.6 with common types of DRAM. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of "authenticated" in the mm_answer_authpassword function. The vulnerability is particularly concerning for systems where the attacker and victim share the same location and the attacker has user privileges. To protect against this threat, it is crucial for organizations to stay informed and take appropriate security measures.
Who is impacted?
The CVE-2023-51767 vulnerability affects users of OpenSSH up to and including version 9.6, particularly when common types of DRAM are used. This high-severity issue allows attackers to bypass authentication through row hammer attacks, which exploit the integer value of authenticated in the mm_answer_authpassword function. The vulnerability is especially concerning for systems where the attacker and victim share the same location and the attacker has user privileges.
What to do if CVE-2023-51767 affected you
If you're affected by the CVE-2023-51767 vulnerability, it's crucial to stay informed and take appropriate security measures. Unfortunately, specific mitigation steps or recommended actions are not provided by the sources. However, you can refer to the Red Hat Customer Portal and Bugzilla report for additional information to better understand the vulnerability and potential ways to address it.
Is it in CISA’s Known Exploited Vulnerabilities Catalog?
The CVE-2023-51767 vulnerability is not listed in CISA's Known Exploited Vulnerabilities Catalog. This high-severity issue, known as an authentication bypass via row hammer attack, was added to public records on December 23, 2023. Unfortunately, specific mitigation steps or required actions are not provided by the sources, making it crucial for affected organizations to stay informed and take appropriate security measures.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as NVD-CWE-Other, indicating a lack of specific details about the vulnerability and its mitigation.
Learn More
CVE-2023-51767 highlights the importance of staying informed and taking appropriate security measures to protect against vulnerabilities. For a comprehensive understanding of this high-severity issue, including its description, severity, technical details, and known affected software configurations, refer to the NVD page or the resources listed below.
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