CVE-2021-0903 : In apusys, there is a possible out of bounds write due to a missing bounds check

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: ALPS05656488.

Published 2021-12-17 17:15:12

Updated 2021-12-22 17:08:12

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

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2021-0903

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-2021-0903

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-2021-0903

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-2021-0903

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-0903

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

December 2021
Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-0903

Products affected by CVE-2021-0903

Exploit prediction scoring system (EPSS) score for CVE-2021-0903

CVSS scores for CVE-2021-0903

CWE ids for CVE-2021-0903

References for CVE-2021-0903