CVE-2021-38788

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38788
The Background service in Allwinner R818 SoC Android Q SDK V1.0 is used to manage background applications. Malicious apps can use the interface provided by the service to set the number of applications allowed to run in the background to 0 and add themselves to the whitelist, so that once other applications enter the background, they will be forcibly stopped by the system, causing a denial of service.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md Broken Link Third Party Advisory
https://vul.wangan.com/a/CNVD-2021-46928 Third Party Advisory
https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product Vendor Advisory
https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 Third Party Advisory
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md Broken Link Third Party Advisory
https://vul.wangan.com/a/CNVD-2021-46928 Third Party Advisory
https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product Vendor Advisory
https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 Third Party Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*
cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:18

Type Values Removed Values Added
References () https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md - Broken Link, Third Party Advisory () https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md - Broken Link, Third Party Advisory
References () https://vul.wangan.com/a/CNVD-2021-46928 - Third Party Advisory () https://vul.wangan.com/a/CNVD-2021-46928 - Third Party Advisory
References () https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory () https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory
References () https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 - Third Party Advisory () https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 - Third Party Advisory

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-400 NVD-CWE-noinfo

26 Jan 2022, 17:16

Type Values Removed Values Added
CPE cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*
cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
References (MISC) https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - (MISC) https://www.allwinnertech.com/index.php?c=product&a=index&id=92 - Product, Vendor Advisory
References (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md - (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9Abackground%20service%20has%20EoP%20Vulnerability.md - Broken Link, Third Party Advisory
References (MISC) https://vul.wangan.com/a/CNVD-2021-46928 - (MISC) https://vul.wangan.com/a/CNVD-2021-46928 - Third Party Advisory
References (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 - (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-46928 - Third Party Advisory
CWE CWE-400

19 Jan 2022, 16:58

Type Values Removed Values Added
New CVE
Information

Published : 2022-01-19 16:15

Updated : 2024-11-21 06:18

NVD link : CVE-2021-38788

Mitre link : CVE-2021-38788

CVE.ORG link : CVE-2021-38788

JSON object : View

Products Affected

allwinnertech

  • android_q_sdk
  • r818
CWE
NVD-CWE-noinfo