CVE-2018-6560
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 0.41% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-436
- Affected
- flatpak/flatpak · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux server aus · redhat/enterprise linux server eus · redhat/enterprise linux server tus · redhat/enterprise linux workstation
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.