Vulnerability Name:

CVE-2022-21766 (CCN-230503)

Assigned:2021-11-26
Published:2022-07-04
Updated:2022-07-14
Summary:In CCCI, 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: ALPS06641673; Issue ID: ALPS06641653.
CVSS v3 Severity:6.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/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): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
6.7 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H)
5.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/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): High
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:CWE-20
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2022-21766

Source: CCN
Type: MediaTek Web site
July 2022 Product Security Bulletin

Source: MISC
Type: Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/July-2022

Source: XF
Type: UNKNOWN
mediatek-cve202221766-priv-esc(230503)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:11.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:12.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt6785:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6779:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6768:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6761:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6765:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6771:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6739:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6580:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6735:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6737:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6753:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6833:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6853:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6873:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6877:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6883:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6885:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6889:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6893:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8765:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8766:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8768:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8786:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8788:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8789:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8791:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8797:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6781:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6879:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6895:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6983:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8321:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8666:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8667:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8675:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    google android 10.0
    google android 11.0
    google android 12.0
    mediatek mt6785 -
    mediatek mt6779 -
    mediatek mt6768 -
    mediatek mt6761 -
    mediatek mt6765 -
    mediatek mt6771 -
    mediatek mt6739 -
    mediatek mt6580 -
    mediatek mt6735 -
    mediatek mt6737 -
    mediatek mt6753 -
    mediatek mt6833 -
    mediatek mt6853 -
    mediatek mt6873 -
    mediatek mt6877 -
    mediatek mt6883 -
    mediatek mt6885 -
    mediatek mt6889 -
    mediatek mt6893 -
    mediatek mt8765 -
    mediatek mt8766 -
    mediatek mt8768 -
    mediatek mt8786 -
    mediatek mt8788 -
    mediatek mt8789 -
    mediatek mt8791 -
    mediatek mt8797 -
    mediatek mt6781 -
    mediatek mt6879 -
    mediatek mt6895 -
    mediatek mt6983 -
    mediatek mt8321 -
    mediatek mt8666 -
    mediatek mt8667 -
    mediatek mt8675 -