Vulnerability CVE-2021-0612 - CERT Civis.Net

Vulnerability Name:

CVE-2021-0612 (CCN-210129)

Assigned:

2020-11-06

Published:

2021-09-01

Updated:

2021-10-02

Summary:

In m4u, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05403499; Issue ID: ALPS05425834.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

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

CVSS v2 Severity:

4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2021-0612

Source: CCN
Type: MediaTek Web site
September 2021 Product Security Bulletin

Source: MISC
Type: Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/September-2021

Source: XF
Type: UNKNOWN
mediatek-cve20210612-priv-esc(210129)

Vulnerable Configuration:

Configuration 1:

cpe:/o:google:android:10.0:*:*:*:*:*:*:*

OR cpe:/o:google:android:11.0:*:*:*:*:*:*:*

AND

cpe:/h:mediatek:mt6580:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6582_90:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6582e:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6582h:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6582t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6582w:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6589:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6589td:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6592_90:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6592e:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6592h:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6592t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6592w:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6595:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6731:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6732:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6735:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6737:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6739:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6750:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6750s:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6752:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6753:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6755:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6755s:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6757:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6757c:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6757cd:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6757ch:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6758:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6761:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6762:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6763:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6765:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6768:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6769:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6771:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6779:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6785:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6795:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6797:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6799:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6833:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6853:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6853t:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6873:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6875:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6877:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6883:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6885:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6889:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6891:-:*:*:*:*:*:*:*

OR cpe:/h:mediatek:mt6893:-:*:*:*:*:*:*:*

Denotes that component is vulnerable