CVE-2018-6560

Name: CVE-2018-6560
Creator: NVD / NIST
Published: 2018-02-02T14:29:01.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.42%

Last modified Jun 17, 2026

CVE-2018-6560 is a vulnerability of currently unknown severity. In dbus-proxy/flatpak-proxy.c in Flatpak before 0.8.9, and 0.9.x and 0.10.x before 0.10.3, crafted D-Bus messages to the host can be used to break out of the sandbox, because whitespace handling in the proxy is not identical to whitespace handling in the daemon.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

In dbus-proxy/flatpak-proxy.c in Flatpak before 0.8.9, and 0.9.x and 0.10.x before 0.10.3, crafted D-Bus messages to the host can be used to break out of the sandbox, because whitespace handling in the proxy is not identical to whitespace handling in the daemon.

Metrics

EPSS Probability

0.42%

33.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-436

Affected Software

Vendor	Product	Versions
Flatpak	Flatpak	< 0.8.9
Flatpak	Flatpak	>= 0.9.1, <= 0.9.99
Flatpak	Flatpak	>= 0.10.0, < 0.10.3
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Server Aus	7.6
Redhat	Enterprise Linux Server Eus	7.5
Redhat	Enterprise Linux Server Eus	7.6
Redhat	Enterprise Linux Server Tus	7.6
Redhat	Enterprise Linux Workstation	7.0

References

https://access.redhat.com/errata/RHSA-2018:2766Third Party Advisory
https://github.com/flatpak/flatpak/commit/52346bf187b5a7f1c0fe9075b328b7ad6abe78f6Patch, Vendor Advisory
https://github.com/flatpak/flatpak/releases/tag/0.10.3Release Notes
https://github.com/flatpak/flatpak/releases/tag/0.8.9Release Notes
https://access.redhat.com/errata/RHSA-2018:2766Third Party Advisory
https://github.com/flatpak/flatpak/commit/52346bf187b5a7f1c0fe9075b328b7ad6abe78f6Patch, Vendor Advisory
https://github.com/flatpak/flatpak/releases/tag/0.10.3Release Notes
https://github.com/flatpak/flatpak/releases/tag/0.8.9Release Notes

Timeline

Published: Feb 2, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-6560?

How severe is CVE-2018-6560?

Severity scoring for CVE-2018-6560 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2018-6560?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-6560?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST