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Ubuntu: USN-4048-1 (CVE-2019-5736): Docker vulnerabilities

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Ubuntu: USN-4048-1 (CVE-2019-5736): Docker vulnerabilities

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
02/11/2019
Created
07/10/2019
Added
07/09/2019
Modified
11/27/2024

Description

runc through 1.0-rc6, as used in Docker before 18.09.2 and other products, allows attackers to overwrite the host runc binary (and consequently obtain host root access) by leveraging the ability to execute a command as root within one of these types of containers: (1) a new container with an attacker-controlled image, or (2) an existing container, to which the attacker previously had write access, that can be attached with docker exec. This occurs because of file-descriptor mishandling, related to /proc/self/exe.

Solution(s)

  • ubuntu-upgrade-docker-io

References

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