MGASA-2021-0143 - Updated flatpak packages fix security vulnerabilities

Publication date: 18 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0143.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2021-21261,
     CVE-2021-21381

Sandbox escape where a malicious application can execute code outside the
sandbox by controlling the environment of the "flatpak run" command when
spawning a sub-sandbox (CVE-2021-21261).

A potential attack where a flatpak application could use custom formatted
.desktop files to gain access to files on the host system (CVE-2021-21381).

The update also removes the unnecessary flatpak-tests subpackage.

References:
- https://bugs.mageia.org/show_bug.cgi?id=27126
- https://bugs.mageia.org/show_bug.cgi?id=25978
- https://bugs.mageia.org/show_bug.cgi?id=28575
- https://github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2
- https://github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp
- https://github.com/flatpak/flatpak/issues/4146
- https://github.com/flatpak/flatpak/releases
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2K2Q5P4IIUN2SFJKQKB4UJQ37CE2E55K/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21261
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21381

SRPMS:
- 7/core/libglib-testing-0.1.0-2.mga7
- 7/core/appstream-glib-0.7.15-1.mga7
- 7/core/malcontent-0.9.0-2.mga7
- 7/core/bubblewrap-0.4.1-1.mga7
- 7/core/ostree-2020.8-1.mga7
- 7/core/flatpak-1.10.2-1.mga7
- 7/core/gnome-software-3.32.2-2.1.mga7

Mageia 2021-0143: flatpak security update

Sandbox escape where a malicious application can execute code outside the sandbox by controlling the environment of the "flatpak run" command when spawning a sub-sandbox (CVE-2021-...

Summary

Sandbox escape where a malicious application can execute code outside the sandbox by controlling the environment of the "flatpak run" command when spawning a sub-sandbox (CVE-2021-21261).
A potential attack where a flatpak application could use custom formatted .desktop files to gain access to files on the host system (CVE-2021-21381).
The update also removes the unnecessary flatpak-tests subpackage.

References

- https://bugs.mageia.org/show_bug.cgi?id=27126

- https://bugs.mageia.org/show_bug.cgi?id=25978

- https://bugs.mageia.org/show_bug.cgi?id=28575

- https://github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2

- https://github.com/flatpak/flatpak/security/advisories/GHSA-xgh4-387p-hqpp

- https://github.com/flatpak/flatpak/issues/4146

- https://github.com/flatpak/flatpak/releases

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/2K2Q5P4IIUN2SFJKQKB4UJQ37CE2E55K/

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21261

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21381

Resolution

MGASA-2021-0143 - Updated flatpak packages fix security vulnerabilities

SRPMS

- 7/core/libglib-testing-0.1.0-2.mga7

- 7/core/appstream-glib-0.7.15-1.mga7

- 7/core/malcontent-0.9.0-2.mga7

- 7/core/bubblewrap-0.4.1-1.mga7

- 7/core/ostree-2020.8-1.mga7

- 7/core/flatpak-1.10.2-1.mga7

- 7/core/gnome-software-3.32.2-2.1.mga7

Severity
Publication date: 18 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0143.html
Type: security
CVE: CVE-2021-21261, CVE-2021-21381

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