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Debian: Security Advisory for docker.io (DSA-4716-1)
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 'docker.io' package(s) announced via the DSA-4716-1 advisory.
Insight
Insight
Etienne Champetier discovered that Docker, a Linux container runtime, created network bridges which by default accept IPv6 router advertisements. This could allow an attacker with the CAP_NET_RAW capability in a container to spoof router advertisements, resulting in information disclosure or denial of service.
Affected Software
Affected Software
'docker.io' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 18.09.1+dfsg1-7.1+deb10u2. We recommend that you upgrade your docker.io packages.