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Alpine Linux: CVE-2016-9962: docker insecure opening of file-descriptor allows privilege escalation

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Alpine Linux: CVE-2016-9962: docker insecure opening of file-descriptor allows privilege escalation

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
01/31/2017
Created
07/25/2018
Added
08/30/2017
Modified
12/04/2019

Description

RunC allowed additional container processes via 'runc exec' to be ptraced by the pid 1 of the container. This allows the main processes of the container, if running as root, to gain access to file-descriptors of these new processes during the initialization and can lead to container escapes or modification of runC state before the process is fully placed inside the container.

Solution(s)

  • alpine-linux-upgrade-docker

References

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