Allwinner R818 SoC Android Q SDK 1.0 /dev/ion integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Allwinner R818 SoC Android Q SDK 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /dev/ion. Such manipulation leads to integer overflow. This vulnerability is documented as CVE-2021-38787. There is not any exploit available.

Detailsinfo

A vulnerability was found in Allwinner R818 SoC Android Q SDK 1.0 and classified as problematic. Affected by this issue is some unknown processing of the file /dev/ion. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is availability.

The weakness was released 01/19/2022 as CNVD-2021-49171. The advisory is available at cnvd.org.cn. This vulnerability is handled as CVE-2021-38787 since 08/16/2021. Technical details are known, but there is no available exploit.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/16/2021 🔍
01/19/2022 +156 days 🔍
01/19/2022 +0 days 🔍
01/26/2022 +7 days 🔍

Sourcesinfo

Advisory: CNVD-2021-49171
Status: Not defined

CVE: CVE-2021-38787 (🔍)
GCVE (CVE): GCVE-0-2021-38787
GCVE (VulDB): GCVE-100-191246

Entryinfo

Created: 01/19/2022 16:17
Updated: 01/26/2022 06:57
Changes: 01/19/2022 16:17 (38), 01/26/2022 06:57 (1)
Complete: 🔍
Cache ID: 216::103

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