Vulnerability Name:

CVE-2021-0547 (CCN-204173)

Assigned:2020-11-06
Published:2021-06-07
Updated:2021-06-25
Summary:In onReceive of NetInitiatedActivity.java, there is a possible way to supply an attacker-controlled value to a GPS HAL handler due to a missing permission check. This could lead to local escalation of privilege that may result in undefined behavior in some HAL implementations with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174151048
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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/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): None
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
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-862
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Google Web site
Android

Source: MITRE
Type: CNA
CVE-2021-0547

Source: XF
Type: UNKNOWN
android-cve20210547-priv-esc(204173)

Source: CCN
Type: Android Open Source Project
Pixel Update Bulletin-June 2021

Source: MISC
Type: Vendor Advisory
https://source.android.com/security/bulletin/pixel/2021-06-01

Vulnerable Configuration:Configuration 1:
  • cpe:/o:google:android:11.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    google android 11.0