VDB-190216 · CVE-2021-43860 · GHSA-qpjc-vq3c-572j

Flatpak up to 1.10.5/1.12.2 Metadata File privileges management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Flatpak up to 1.10.5/1.12.2. This issue affects some unknown processing of the component Metadata File Handler. Executing a manipulation can lead to privileges management. This vulnerability is handled as CVE-2021-43860. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Flatpak up to 1.10.5/1.12.2. This vulnerability affects an unknown code block of the component Metadata File Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/13/2022 as GHSA-qpjc-vq3c-572j. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-43860 since 11/16/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

Upgrading to version 1.10.6 or 1.12.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 54ec1a482dfc668127eaae57f135e6a8e0bc52da is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Flatpak

Version

License

open-source

Website

Product: https://github.com/flatpak/flatpak/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.3

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.2
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Flatpak 1.10.6/1.12.3
Patch: 54ec1a482dfc668127eaae57f135e6a8e0bc52da

Timelineinfo

11/16/2021 🔍
01/13/2022 +58 days 🔍
01/13/2022 +0 days 🔍
01/15/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-qpjc-vq3c-572j
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-43860 (🔍)
GCVE (CVE): GCVE-0-2021-43860
GCVE (VulDB): GCVE-100-190216

Entryinfo

Created: 01/13/2022 06:29
Updated: 01/15/2022 11:53
Changes: 01/13/2022 06:29 (52), 01/15/2022 11:46 (2), 01/15/2022 11:53 (1)
Complete: 🔍
Cache ID: 216::103