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Ubuntu: Security Advisory for dnsmasq (USN-4924-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'dnsmasq' package(s) announced via the USN-4924-1 advisory.
Insight
Insight
It was discovered that Dnsmasq incorrectly handled certain wildcard synthesized NSEC records. A remote attacker could possibly use this issue to prove the non-existence of hostnames that actually exist. (CVE-2017-15107) It was discovered that Dnsmasq incorrectly handled certain large DNS packets. A remote attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service. (CVE-2019-14513)
Affected Software
Affected Software
'dnsmasq' package(s) on Ubuntu 16.04 LTS.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).