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Test ID:1.3.6.1.4.1.25623.1.0.853730
Category:SuSE Local Security Checks
Title:openSUSE: Security Advisory for flatpak, (openSUSE-SU-2021:0520-1)
Summary:The remote host is missing an update for the 'flatpak, '; package(s) announced via the openSUSE-SU-2021:0520-1 advisory.
Description:Summary:
The remote host is missing an update for the 'flatpak, '
package(s) announced via the openSUSE-SU-2021:0520-1 advisory.

Vulnerability Insight:
This update for flatpak, libostree, xdg-desktop-portal,
xdg-desktop-portal-gtk fixes the following issues:

libostree:

Update to version 2020.8

- Enable LTO. (bsc#1133120)

- This update contains scalability improvements and bugfixes.

- Caching-related HTTP headers are now supported on summaries and
signatures, so that they do not have to be re-downloaded if not changed
in the meanwhile.

- Summaries and delta have been reworked to allow more fine-grained
fetching.

- Fixes several bugs related to atomic variables, HTTP timeouts, and
32-bit architectures.

- Static deltas can now be signed to more easily support offline
verification.

- There' s now support for multiple initramfs images Is it possible to
have a 'main' initramfs image and a secondary one which represents local
configuration.

- Fix for an assertion failure when upgrading from systems before ostree
supported devicetree.

- ostree no longer hardlinks zero sized files to avoid hitting filesystem
maximum link counts.

- ostree now supports `/` and `/boot` being on the same filesystem.

- Improvements to the GObject Introspection metadata, some (cosmetic)
static analyzer fixes, a fix for the immutable bit on s390x, dropping a
deprecated bit in the systemd unit file.

- Fix a regression 2020.4 where the 'readonly sysroot' changes incorrectly
left the sysroot read-only
on systems that started out with a read-only `/` (most of them, e.g.
Fedora Silverblue/IoT at least).

- The default dracut config now enables reproducibility.

- There is a new ostree admin unlock `--transient`. This should to be a
foundation for further support for 'live' updates.

- New `ed25519` signing support, powered by `libsodium`.

- stree commit gained a new `--base` argument, which significantly
simplifies constructing 'derived' commits, particularly for systems
using SELinux.

- Handling of the read-only sysroot was reimplemented to run in the
initramfs and be more reliable. Enabling the `readonly=true` flag in the
repo config is recommended.

- Several fixes in locking for the temporary 'staging' directories OSTree
creates, particularly on NFS.

- A new `timestamp-check-from-rev` option was added for pulls, which makes
downgrade protection more reliable and will be used ...

Description truncated. Please see the references for more information.

Affected Software/OS:
'flatpak, ' package(s) on openSUSE Leap 15.2.

Solution:
Please install the updated package(s).

CVSS Score:
7.2

CVSS Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-21261
https://github.com/flatpak/flatpak/security/advisories/GHSA-4ppf-fxf6-vxg2
Debian Security Information: DSA-4830 (Google Search)
https://www.debian.org/security/2021/dsa-4830
https://security.gentoo.org/glsa/202101-21
https://github.com/flatpak/flatpak/commit/6d1773d2a54dde9b099043f07a2094a4f1c2f486
https://github.com/flatpak/flatpak/commit/6e5ae7a109cdfa9735ea7ccbd8cb79f9e8d3ae8b
https://github.com/flatpak/flatpak/commit/aeb6a7ab0abaac4a8f4ad98b3df476d9de6b8bd4
https://github.com/flatpak/flatpak/commit/cc1401043c075268ecc652eac557ef8076b5eaba
https://github.com/flatpak/flatpak/releases/tag/1.8.5
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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