Current 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.
Source:
MITRE
Description Last Modified:
02/02/2018
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
02/02/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
8.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
(V3 legend)
Impact Score:
6.0
Exploitability Score:
2.0
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Change History
1 change record found
- show changes
Initial Analysis -
2/28/2018 11:12:29 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:* versions up to (excluding) 0.8.9
*cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:* versions from (including) 0.9.1 up to (including) 0.9.99
*cpe:2.3:a:flatpak:flatpak:*:*:*:*:*:*:*:* versions from (including) 0.10.0 up to (excluding) 0.10.3 |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-19 |
| Changed |
Reference Type |
https://github.com/flatpak/flatpak/commit/52346bf187b5a7f1c0fe9075b328b7ad6abe78f6 No Types Assigned |
https://github.com/flatpak/flatpak/commit/52346bf187b5a7f1c0fe9075b328b7ad6abe78f6 Patch, Vendor Advisory |
| Changed |
Reference Type |
https://github.com/flatpak/flatpak/releases/tag/0.10.3 No Types Assigned |
https://github.com/flatpak/flatpak/releases/tag/0.10.3 Release Notes |
| Changed |
Reference Type |
https://github.com/flatpak/flatpak/releases/tag/0.8.9 No Types Assigned |
https://github.com/flatpak/flatpak/releases/tag/0.8.9 Release Notes |