In Docker 19.03.x before 19.03.1 linked against the GNU C Library (aka glibc), code injection can occur when the nsswitch facility dynamically loads a library inside a chroot that contains the contents of the container.

References

• https://nvd.nist.gov/vuln/detail/CVE-2019-14271
• moby/moby#39449
• https://docs.docker.com/engine/release-notes/
• https://seclists.org/bugtraq/2019/Sep/21
• https://security.netapp.com/advisory/ntap-20190828-0003/
• https://www.debian.org/security/2019/dsa-4521
• http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00084.html
• moby/moby#39612
• moby/moby@11e48ba
• moby/moby@fa8dd90