Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2023-20695

Severity CVSS v4.0:
Pending analysis
Type:
CWE-787 Out-of-bounds Write
Publication date:
15/05/2023
Last modified:
23/01/2025

Description

In preloader, 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: ALPS07734012 / ALPS07874363 (For MT6880, MT6890, MT6980 and MT6990 only); Issue ID: ALPS07734012 / ALPS07874363 (For MT6880, MT6890, MT6980 and MT6990 only).

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.70
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6880:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6980:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6990:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8167:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8175:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8185:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt8321:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools