CVE-2021-38786

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-38786
There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner R818 SoC Android Q SDK V1.0, which could cause a media crash (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%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md Broken Link Third Party Advisory
https://vul.wangan.com/a/CNVD-2021-49173 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-2021-49173 Third Party Advisory
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md Broken Link Third Party Advisory
https://vul.wangan.com/a/CNVD-2021-49173 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-2021-49173 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%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md - Broken Link, Third Party Advisory () https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md - Broken Link, Third Party Advisory
References () https://vul.wangan.com/a/CNVD-2021-49173 - Third Party Advisory () https://vul.wangan.com/a/CNVD-2021-49173 - 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-2021-49173 - Third Party Advisory () https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173 - Third Party Advisory

26 Jan 2022, 17:32

Type Values Removed Values Added
CPE cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:* cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:*

26 Jan 2022, 02:32

Type Values Removed Values Added
References (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md - (MISC) https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9AMedia%20vdecoder%20has%20Null%20Pointer%20Dereference%20Vulnerability.md - Broken Link, Third Party Advisory
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://vul.wangan.com/a/CNVD-2021-49173 - (MISC) https://vul.wangan.com/a/CNVD-2021-49173 - Third Party Advisory
References (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173 - (MISC) https://www.cnvd.org.cn/flaw/show/CNVD-2021-49173 - Third Party Advisory
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : 5.0
v3 : 7.5
CPE cpe:2.3:h:allwinnertech:r818:*:*:*:*:*:*:*:*
cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:*

19 Jan 2022, 12:15

Type Values Removed Values Added
New CVE
Information

Published : 2022-01-19 12:15

Updated : 2024-11-21 06:18

NVD link : CVE-2021-38786

Mitre link : CVE-2021-38786

CVE.ORG link : CVE-2021-38786

JSON object : View

Products Affected

allwinnertech

  • android_q_sdk
  • r818
CWE
CWE-476

NULL Pointer Dereference