Vulnerability Name:

CVE-2022-21756 (CCN-228163)

Assigned:2021-11-26
Published:2022-06-06
Updated:2022-06-13
Summary:In WLAN driver, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06535950; Issue ID: ALPS06535950.
CVSS v3 Severity:4.4 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
3.9 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
4.4 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)
3.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/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): None
Availibility (A): None
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-125
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2022-21756

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

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

Source: XF
Type: UNKNOWN
mediatek-cve202221756-info-disc(228163)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:11.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:12.0:*:*:*:*:*:*:*
  • AND
  • 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:mt6880:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6890:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6893:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8167s:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8168:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8175:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8183:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8185:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8362a:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8365:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8385:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8667:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8675:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8696:-:*:*:*:*:*:*:*
  • 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:mt8797:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6879:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6895:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6983:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6985:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8695:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    google android 11.0
    google android 12.0
    mediatek mt6833 -
    mediatek mt6853 -
    mediatek mt6853t -
    mediatek mt6873 -
    mediatek mt6875 -
    mediatek mt6877 -
    mediatek mt6883 -
    mediatek mt6885 -
    mediatek mt6889 -
    mediatek mt6891 -
    mediatek mt6880 -
    mediatek mt6890 -
    mediatek mt6893 -
    mediatek mt8167s -
    mediatek mt8168 -
    mediatek mt8175 -
    mediatek mt8183 -
    mediatek mt8185 -
    mediatek mt8362a -
    mediatek mt8365 -
    mediatek mt8385 -
    mediatek mt8667 -
    mediatek mt8675 -
    mediatek mt8696 -
    mediatek mt8766 -
    mediatek mt8768 -
    mediatek mt8786 -
    mediatek mt8788 -
    mediatek mt8789 -
    mediatek mt8797 -
    mediatek mt6879 -
    mediatek mt6895 -
    mediatek mt6983 -
    mediatek mt6985 -
    mediatek mt8695 -