Vulnerability Name:

CVE-2022-20035 (CCN-219311)

Assigned:2021-10-12
Published:2022-02-07
Updated:2022-02-11
Summary:In vcu driver, there is a possible information disclosure 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: ALPS06171675; Issue ID: ALPS06171675.
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
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: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
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-416
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2022-20035

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

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

Source: XF
Type: UNKNOWN
mediatek-cve202220035-priv-esc(219311)

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:google:android:11.0:*:*:*:*:*:*:*
  • AND
  • cpe:/h:mediatek:mt6768:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6769:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6779:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6781:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6785:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6833:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6853:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6853t:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6873:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6877:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6885:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6890:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6891:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt6893:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8167:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8168:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8173:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8175:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8185:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8321:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8362a:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8365:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8385:-:*:*:*:*:*:*:*
  • 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:-:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/h:mediatek:mt8167:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8175:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8183:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8362a:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8365:-:*:*:*:*:*:*:*
  • OR cpe:/h:mediatek:mt8385:-:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    google android 10.0
    google android 11.0
    mediatek mt6768 -
    mediatek mt6769 -
    mediatek mt6779 -
    mediatek mt6781 -
    mediatek mt6785 -
    mediatek mt6833 -
    mediatek mt6853 -
    mediatek mt6853t -
    mediatek mt6873 -
    mediatek mt6877 -
    mediatek mt6885 -
    mediatek mt6890 -
    mediatek mt6891 -
    mediatek mt6893 -
    mediatek mt8167 -
    mediatek mt8168 -
    mediatek mt8173 -
    mediatek mt8175 -
    mediatek mt8185 -
    mediatek mt8321 -
    mediatek mt8362a -
    mediatek mt8365 -
    mediatek mt8385 -
    mediatek mt8765 -
    mediatek mt8766 -
    mediatek mt8768 -
    mediatek mt8786 -
    mediatek mt8788 -
    mediatek mt8789 -
    mediatek mt8791 -
    mediatek mt8797 -
    mediatek mt8167 -
    mediatek mt8175 -
    mediatek mt8183 -
    mediatek mt8362a -
    mediatek mt8365 -
    mediatek mt8385 -