Flatpak up to 1.8.4/1.9.3 on Linux flatpak-portal Service injection
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as critical, was found in Flatpak up to 1.8.4/1.9.3 on Linux. Affected is an unknown function of the component flatpak-portal Service. Such manipulation leads to injection. This vulnerability is uniquely identified as CVE-2021-21261. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.
Details
A vulnerability was found in Flatpak up to 1.8.4/1.9.3 on Linux. It has been rated as critical. Affected by this issue is some unknown functionality of the component flatpak-portal Service. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.
The weakness was disclosed 01/15/2021. The advisory is available at github.com. This vulnerability is handled as CVE-2021-21261. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.
Upgrading to version 1.8.5 or 1.9.4 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying a patch 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.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
Version
License
Website
- Product: https://github.com/flatpak/flatpak/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.6VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: InjectionCWE: CWE-74 / CWE-707 / CWE-20
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Flatpak 1.8.5/1.9.4
Patch: github.com
Timeline
12/22/2020 🔍01/15/2021 🔍
01/15/2021 🔍
02/14/2021 🔍
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-21261 (🔍)
GCVE (CVE): GCVE-0-2021-21261
GCVE (VulDB): GCVE-100-168002
Entry
Created: 01/15/2021 06:29Updated: 02/14/2021 18:40
Changes: 01/15/2021 06:29 (40), 02/14/2021 18:37 (6), 02/14/2021 18:40 (19)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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