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Alpine: multiple bubblewrap packages: security update to 0.10.0-r0
critical Tenable Cloud Security Plugin ID 423758
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and
1.15.10, a malicious or compromised Flatpak app using persistent directories could access and write files
outside of what it would otherwise have access to, which is an attack on integrity and confidentiality.
When `persistent=subdir` is used in the application permissions (represented as `--persist=subdir` in the
command-line interface), that means that an application which otherwise doesn't have access to the real
user home directory will see an empty home directory with a writeable subdirectory `subdir`. Behind the
scenes, this directory is actually a bind mount and the data is stored in the per-application directory as
`~/.var/app/$APPID/subdir`. This allows existing apps that are not aware of the per-application directory
to still work as intended without general home directory access. However, the application does have write
access to the application directory `~/.var/app/$APPID` where this directory is stored. If the source
directory for the `persistent`/`--persist` option is replaced by a symlink, then the next time the
application is started, the bind mount will follow the symlink and mount whatever it points to into the
sandbox. Partial protection against this vulnerability can be provided by patching Flatpak using the
patches in commits ceec2ffc and 98f79773. However, this leaves a race condition that could be exploited by
two instances of a malicious app running in parallel. Closing the race condition requires updating or
patching the version of bubblewrap that is used by Flatpak to add the new `--bind-fd` option using the
patch and then patching Flatpak to use it. If Flatpak has been configured at build-time with
`-Dsystem_bubblewrap=bwrap` (1.15.x) or `--with-system-bubblewrap=bwrap` (1.14.x or older), or a similar
option, then the version of bubblewrap that needs to be patched is a system copy that is distributed
separately, typically `/usr/bin/bwrap`. This configuration is the one that is typically used in Linux
distributions. If Flatpak has been configured at build-time with `-Dsystem_bubblewrap=` (1.15.x) or with
`--without-system-bubblewrap` (1.14.x or older), then it is the bundled version of bubblewrap that is
included with Flatpak that must be patched. This is typically installed as `/usr/libexec/flatpak-bwrap`.
This configuration is the default when building from source code. For the 1.14.x stable branch, these
changes are included in Flatpak 1.14.10. The bundled version of bubblewrap included in this release has
been updated to 0.6.3. For the 1.15.x development branch, these changes are included in Flatpak 1.15.10.
The bundled version of bubblewrap in this release is a Meson "wrap" subproject, which has been updated to
0.10.0. The 1.12.x and 1.10.x branches will not be updated for this vulnerability. Long-term support OS
distributions should backport the individual changes into their versions of Flatpak and bubblewrap, or
update to newer versions if their stability policy allows it. As a workaround, avoid using applications
using the `persistent` (`--persist`) permission. (CVE-2024-42472)
See Also
Plugin Details
Severity: Critical
ID: 423758
Version: Revision 1.6
Type: Local
Published: 4/4/2025
Updated: 7/2/2026
Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: High
Score: 7.5
Percentile: 98.49
CVSS v2
Risk Factor: High
Base Score: 9.4
Temporal Score: 7.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N
CVSS Score Source: CVE-2024-42472
CVSS v3
Risk Factor: Critical
Base Score: 10
Temporal Score: 9
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
Exploit Available: true
Exploit Ease: Exploits are available
Vulnerability Publication Date: 8/15/2024
Reference Information
CVE: CVE-2024-42472