CVE-2020-25684 Report - Details, Severity, & Advisories
Twingate Team
•
May 31, 2024
What is CVE-2020-25684?
CVE-2020-25684 is a vulnerability affecting dnsmasq, a small caching DNS proxy and DHCP/TFTP server, in versions before 2.83. This flaw allows attackers to perform DNS Cache Poisoning attacks, potentially compromising data integrity. The vulnerability has a low severity rating of 3.7, but when combined with other vulnerabilities, the attack complexity is reduced. Systems running dnsmasq before version 2.83, including certain Debian Linux and Fedora versions, are affected by this vulnerability.
Who is impacted by CVE-2020-25684?
This flaw can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. Systems running dnsmasq before version 2.83, including certain Debian Linux (fixed in version 2.76-5+deb9u3) and Fedora 32 (fixed in version 2.84-1.fc32) versions, are impacted by this vulnerability.
What should I do if I’m affected?
If you're affected by the CVE-2020-25684 vulnerability, it's important to take action to protect your system. To do this, follow these simple steps:
Upgrade your dnsmasq package to the latest version (Debian: 2.76-5+deb9u3, Fedora: 2.84-1.fc32).
Ensure your system is up-to-date with the latest security patches.
Monitor your network for any unusual activity.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
CVE-2020-25684 is not listed in CISA's Known Exploited Vulnerabilities Catalog. The vulnerability, discovered in dnsmasq versions before 2.83, can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. To protect your system, it's important to upgrade your dnsmasq package to the latest version and ensure your system is up-to-date with the latest security patches.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-358, which involves improperly implemented security checks for standards.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and affected software configurations, refer to the NVD page or the sources listed below.
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CVE-2020-25684 Report - Details, Severity, & Advisories
Twingate Team
•
May 31, 2024
What is CVE-2020-25684?
CVE-2020-25684 is a vulnerability affecting dnsmasq, a small caching DNS proxy and DHCP/TFTP server, in versions before 2.83. This flaw allows attackers to perform DNS Cache Poisoning attacks, potentially compromising data integrity. The vulnerability has a low severity rating of 3.7, but when combined with other vulnerabilities, the attack complexity is reduced. Systems running dnsmasq before version 2.83, including certain Debian Linux and Fedora versions, are affected by this vulnerability.
Who is impacted by CVE-2020-25684?
This flaw can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. Systems running dnsmasq before version 2.83, including certain Debian Linux (fixed in version 2.76-5+deb9u3) and Fedora 32 (fixed in version 2.84-1.fc32) versions, are impacted by this vulnerability.
What should I do if I’m affected?
If you're affected by the CVE-2020-25684 vulnerability, it's important to take action to protect your system. To do this, follow these simple steps:
Upgrade your dnsmasq package to the latest version (Debian: 2.76-5+deb9u3, Fedora: 2.84-1.fc32).
Ensure your system is up-to-date with the latest security patches.
Monitor your network for any unusual activity.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
CVE-2020-25684 is not listed in CISA's Known Exploited Vulnerabilities Catalog. The vulnerability, discovered in dnsmasq versions before 2.83, can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. To protect your system, it's important to upgrade your dnsmasq package to the latest version and ensure your system is up-to-date with the latest security patches.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-358, which involves improperly implemented security checks for standards.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and 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-2020-25684 Report - Details, Severity, & Advisories
Twingate Team
•
May 31, 2024
What is CVE-2020-25684?
CVE-2020-25684 is a vulnerability affecting dnsmasq, a small caching DNS proxy and DHCP/TFTP server, in versions before 2.83. This flaw allows attackers to perform DNS Cache Poisoning attacks, potentially compromising data integrity. The vulnerability has a low severity rating of 3.7, but when combined with other vulnerabilities, the attack complexity is reduced. Systems running dnsmasq before version 2.83, including certain Debian Linux and Fedora versions, are affected by this vulnerability.
Who is impacted by CVE-2020-25684?
This flaw can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. Systems running dnsmasq before version 2.83, including certain Debian Linux (fixed in version 2.76-5+deb9u3) and Fedora 32 (fixed in version 2.84-1.fc32) versions, are impacted by this vulnerability.
What should I do if I’m affected?
If you're affected by the CVE-2020-25684 vulnerability, it's important to take action to protect your system. To do this, follow these simple steps:
Upgrade your dnsmasq package to the latest version (Debian: 2.76-5+deb9u3, Fedora: 2.84-1.fc32).
Ensure your system is up-to-date with the latest security patches.
Monitor your network for any unusual activity.
Is this in CISA’s Known Exploited Vulnerabilities Catalog?
CVE-2020-25684 is not listed in CISA's Known Exploited Vulnerabilities Catalog. The vulnerability, discovered in dnsmasq versions before 2.83, can lead to DNS Cache Poisoning attacks, potentially compromising data integrity. To protect your system, it's important to upgrade your dnsmasq package to the latest version and ensure your system is up-to-date with the latest security patches.
Weakness Enumeration
The weakness enumeration for this vulnerability is categorized as CWE-358, which involves improperly implemented security checks for standards.
Learn More
For a comprehensive understanding of this vulnerability, including its description, severity, technical details, and affected software configurations, refer to the NVD page or the sources listed below.
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