Flatpak up to 0.8.6 Third-Party App Repository access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Flatpak up to 0.8.6 and classified as problematic. This issue affects some unknown processing of the component Third-Party App Repository Handler. Such manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-9780. Local access is required to approach this attack. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Flatpak up to 0.8.6 and classified as problematic. Affected by this issue is an unknown code of the component Third-Party App Repository Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In Flatpak before 0.8.7, a third-party app repository could include malicious apps that contain files with inappropriate permissions, for example setuid or world-writable. The files are deployed with those permissions, which would let a local attacker run the setuid executable or write to the world-writable location. In the case of the "system helper" component, files deployed as part of the app are owned by root, so in the worst case they could be setuid root.

The bug was discovered 06/12/2017. The weakness was disclosed 06/21/2017 (Website). The advisory is available at bugs.debian.org. This vulnerability is handled as CVE-2017-9780 since 06/21/2017. Local access is required to approach this attack. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 101012 (Debian DSA-3895-1 : flatpak - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276750 (Fedora Security Update for flatpak (FEDORA-2017-6b1f07acd9)).

Upgrading to version 0.8.7 eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101012) and SecurityFocus (BID 99346†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101012
Nessus Name: Debian DSA-3895-1 : flatpak - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703895
OpenVAS Name: Debian Security Advisory DSA 3895-1 (flatpak - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Flatpak 0.8.7

Timelineinfo

06/12/2017 🔍
06/21/2017 +9 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/22/2017 +1 days 🔍
06/23/2017 +1 days 🔍
12/08/2022 +1994 days 🔍

Sourcesinfo

Advisory: 845
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9780 (🔍)
GCVE (CVE): GCVE-0-2017-9780
GCVE (VulDB): GCVE-100-102722

OVAL: 🔍

SecurityFocus: 99346 - Flatpak CVE-2017-9780 Local Privilege Escalation Vulnerability

Entryinfo

Created: 06/21/2017 20:25
Updated: 12/08/2022 17:53
Changes: 06/21/2017 20:25 (76), 10/19/2019 15:38 (5), 12/08/2022 17:53 (4)
Complete: 🔍
Cache ID: 216:ECA:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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