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OpenAdvisories
High ALAS2-2019-1219 1 CVE

Important: flatpak security update (Amazon Linux 2)

Published May 29, 2019 · Updated May 30, 2019

Summary

Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2019-10063: Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Flatpak versions since 0.8.1 address CVE-2017-5226 by using a seccomp filter to prevent sandboxed apps from using the TIOCSTI ioctl, which could otherwise be used to inject commands into the controlling terminal so that they would be executed outside the sandbox after the sandboxed app exits. This fix was incomplete: on 64-bit platforms, the seccomp filter could be bypassed by an ioctl request number that has TIOCSTI in its 32 least significant bits and an arbitrary nonzero value in its 32 most significant bits, which the Linux kernel would treat as equivalent to TIOCSTI. 1695973: CVE-2019-10063 flatpak: Sandbox bypass via IOCSTI (incomplete fix for CVE-2017-5226)

Fixed packages 5

ReleasePackageFixed in
Amazon Linux · 2 flatpak 0:1.0.2-5.amzn2.0.1
Amazon Linux · 2 flatpak-builder 0:1.0.0-5.amzn2.0.1
Amazon Linux · 2 flatpak-debuginfo 0:1.0.2-5.amzn2.0.1
Amazon Linux · 2 flatpak-devel 0:1.0.2-5.amzn2.0.1
Amazon Linux · 2 flatpak-libs 0:1.0.2-5.amzn2.0.1

Vulnerabilities 1

References

  • web
    https://alas.aws.amazon.com/cve/html/CVE-2019-10063.html