CVE-2021-38785
Allwinner R818 Android Camera Driver NULL Pointer Dereference
Description
There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev that could use the ioctl cmd IOCTL_GET_IOMMU_ADDR to cause a system crash.
INFO
Published Date :
Jan. 18, 2022, 2:15 p.m.
Last Modified :
Nov. 21, 2024, 6:18 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2021-38785 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2021-38785
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-38785.
| URL | Resource |
|---|---|
| https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md | Broken Link |
| https://vul.wangan.com/a/CNVD-2021-49170 | 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-2021-49170 | Third Party Advisory |
| https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md | Broken Link |
| https://vul.wangan.com/a/CNVD-2021-49170 | 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-2021-49170 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
CVE CREDIT
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-38785 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-38785 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md Added Reference https://vul.wangan.com/a/CNVD-2021-49170 Added Reference https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Added Reference https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Reanalysis by [email protected]
Jan. 26, 2022
Action Type Old Value New Value Changed CPE Configuration AND OR *cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:* OR cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:* AND OR *cpe:2.3:a:allwinnertech:android_q_sdk:1.0:*:*:*:*:*:*:* OR cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:* -
Initial Analysis by [email protected]
Jan. 25, 2022
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md No Types Assigned https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/Allwinner%20R818%20SoC%EF%BC%9ACamera%20Driver%20has%20Null%20Pointer%20Dereference%20Vulnerability.md Broken Link Changed Reference Type https://vul.wangan.com/a/CNVD-2021-49170 No Types Assigned https://vul.wangan.com/a/CNVD-2021-49170 Third Party Advisory Changed Reference Type https://www.allwinnertech.com/index.php?c=product&a=index&id=92 No Types Assigned https://www.allwinnertech.com/index.php?c=product&a=index&id=92 Product, Vendor Advisory Changed Reference Type https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170 No Types Assigned https://www.cnvd.org.cn/flaw/show/CNVD-2021-49170 Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration AND OR *cpe:2.3:a:allwinnertech:android_q_sdk_camera_driver:1.0:*:*:*:*:*:*:* OR cpe:2.3:h:allwinnertech:r818:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-38785 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-38785
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.78 }} 0.06%
score
0.71367
percentile