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LIN10-5485 : Security Advisory - runc - CVE-2019-5736

Created: Feb 14, 2019    Updated: Mar 27, 2019
Resolved Date: Mar 12, 2019
Found In Version: 10.17.41.1
Fix Version: 10.17.41.15
Severity: Standard
Applicable for: Wind River Linux LTS 17
Component/s: Userspace

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.

https://nvd.nist.gov/vuln/detail/CVE-2019-5736

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