CVE-2021-0897 : In apusys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of

In apusys, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05672107; Issue ID: ALPS05670549.

Published 2021-12-17 17:15:11

Updated 2021-12-22 15:45:52

Source Android (associated with Google Inc. or Open Handset Alliance)

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2021-0897

Google » Android » Version: 10.0
cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6875 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6891 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8195 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6875 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6891 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8195 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6873 » Version: N/A
When used together with: Mediatek » Mt6875 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6883 » Version: N/A
When used together with: Mediatek » Mt6885 » Version: N/A
When used together with: Mediatek » Mt6889 » Version: N/A
When used together with: Mediatek » Mt6891 » Version: N/A
When used together with: Mediatek » Mt6893 » Version: N/A
When used together with: Mediatek » Mt8195 » Version: N/A
When used together with: Mediatek » Mt8791 » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-0897

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-0897

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	0.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2021-0897

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

Assigned by: nvd@nist.gov (Primary)
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-0897

https://corp.mediatek.com/product-security-bulletin/December-2021

December 2021
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-0897

Products affected by CVE-2021-0897

Exploit prediction scoring system (EPSS) score for CVE-2021-0897

CVSS scores for CVE-2021-0897

CWE ids for CVE-2021-0897

References for CVE-2021-0897