Flatpak
CVE-2018-6560
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V4 - API and Web Service Interpretation consistency
|
| Impact | CVSS score of 8.8 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required. |
| Exploit ScenarioDerived | Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
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. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-436. 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. Affected products include: Flatpak, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Aus, Redhat Enterprise Linux Server Eus. Version information: before 0.8.9.
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Severity by source
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)NVD
Sandbox escape in Flatpak versions prior to 1.16.4 allows applications to access arbitrary host filesystem paths and ach
Flatpak before 1.0.8, 1.1.x and 1.2.x before 1.2.4, and 1.3.x before 1.3.1 allows a sandbox bypass. Rated critical sever
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Rated high severity
Arbitrary file deletion in Flatpak versions prior to 1.16.4 allows sandboxed applications to delete files on the host sy
Message-filtering bypass in xdg-dbus-proxy before 0.1.9 lets a malicious or already-compromised sandboxed application -
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Rated high severity
Flatpak before 1.0.7, and 1.1.x and 1.2.x before 1.2.3, exposes /proc in the apply_extra script sandbox, which allows at
In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with inappropriate
Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. Rated high severity
Local privilege escalation to root in Flatpak before 1.18.1 lets an unprivileged user holding an active local session ab
Path traversal in Flatpak's app deployment handling of the exported files/etc directory allows a malicious Flatpak appli
Path traversal in Flatpak's handling of the export/bin directory during application deployment allows a malicious Flatpa
Exploit-DB