QID 198395

Date Published: 2021-06-07

QID 198395: Ubuntu Security Notification for Dnsmasq vulnerability (USN-4976-1)

Dnsmasq incorrectly randomized source ports in certain configurations.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

a remote attacker could possibly use this issue to facilitate dns cache poisoning attacks..

  • CVSS V3 rated as Medium - 4 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Refer to Ubuntu advisory: USN-4976-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198395

    CVE-2021-3448 |
    Software Advisories
    Advisory ID Software Component Link
    USN-4976-1 Ubuntu Linux URL Logo usn.ubuntu.com/4976-1
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