CVE-2023-20676 : In wlan, there is a possible out of bounds read due to a missing bounds check. T

In wlan, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07588569; Issue ID: ALPS07628518.

Published 2023-04-06 18:15:09

Updated 2023-04-12 19:41:16

Source MediaTek, Inc.

View at NVD, CVE.org

Vulnerability category: Information leak

Products affected by CVE-2023-20676

Linux » Linux Kernel » Version: 4.19
cpe:2.3:o:linux:linux_kernel:4.19:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt5221 » Version: N/A
When used together with: Mediatek » Mt7663 » Version: N/A
When used together with: Mediatek » Mt7668 » Version: N/A
When used together with: Mediatek » Mt7902 » Version: N/A
When used together with: Mediatek » Mt7921 » Version: N/A
Google » Android » Version: 11.0
cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
Google » Android » Version: 12.0
cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
Google » Android » Version: 13.0
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
Yoctoproject » Yocto » Version: 3.3
cpe:2.3:o:yoctoproject:yocto:3.3:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
Yoctoproject » Yocto » Version: 3.1
cpe:2.3:o:yoctoproject:yocto:3.1:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A
Yoctoproject » Yocto » Version: 4.0
cpe:2.3:o:yoctoproject:yocto:4.0:*:*:*:*:*:*:*
Matching versions
When used together with: Mediatek » Mt6781 » Version: N/A
When used together with: Mediatek » Mt6789 » Version: N/A
When used together with: Mediatek » Mt6833 » Version: N/A
When used together with: Mediatek » Mt6855 » Version: N/A
When used together with: Mediatek » Mt6877 » Version: N/A
When used together with: Mediatek » Mt6879 » Version: N/A
When used together with: Mediatek » Mt6895 » Version: N/A
When used together with: Mediatek » Mt6983 » Version: N/A
When used together with: Mediatek » Mt8167s » Version: N/A
When used together with: Mediatek » Mt8168 » Version: N/A
When used together with: Mediatek » Mt8169 » Version: N/A
When used together with: Mediatek » Mt8175 » Version: N/A
When used together with: Mediatek » Mt8185 » Version: N/A
When used together with: Mediatek » Mt8362a » Version: N/A
When used together with: Mediatek » Mt8365 » Version: N/A
When used together with: Mediatek » Mt8385 » Version: N/A
When used together with: Mediatek » Mt8518 » Version: N/A
When used together with: Mediatek » Mt8532 » Version: N/A
When used together with: Mediatek » Mt8675 » Version: N/A
When used together with: Mediatek » Mt8695 » Version: N/A
When used together with: Mediatek » Mt8766 » Version: N/A
When used together with: Mediatek » Mt8768 » Version: N/A
When used together with: Mediatek » Mt8771 » Version: N/A
When used together with: Mediatek » Mt8781 » Version: N/A
When used together with: Mediatek » Mt8786 » Version: N/A
When used together with: Mediatek » Mt8788 » Version: N/A
When used together with: Mediatek » Mt8789 » Version: N/A
When used together with: Mediatek » Mt8791t » Version: N/A
When used together with: Mediatek » Mt8797 » Version: N/A
When used together with: Mediatek » Mt8798 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2023-20676

EPSS FAQ

0.04%

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

~ 6 %

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

CVSS scores for CVE-2023-20676

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.4	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N	0.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2023-20676

CWE-125 Out-of-bounds Read

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

Assigned by: nvd@nist.gov (Primary)

References for CVE-2023-20676

https://corp.mediatek.com/product-security-bulletin/April-2023

April 2023
Vendor Advisory

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2023-20676

Products affected by CVE-2023-20676

Exploit prediction scoring system (EPSS) score for CVE-2023-20676

CVSS scores for CVE-2023-20676

CWE ids for CVE-2023-20676

References for CVE-2023-20676