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GoogleOSV:ASB-A-187702830

HistoryDec 01, 2022 - 12:00 a.m.

Incomplete fix found for CVE-2021-0481 - Arbitrary System App File Could be Copied to content://com.android.settings.files/ When Editing User Photo

2022-12-0100:00:00

Google

osv.dev

cve-2021-0481; arbitrary system app file; content://com.android.settings.files/; edituserphotocontroller.java; confused deputy; local privilege escalation; user interaction not needed; incomplete fix; software vulnerability

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

17.3%

JSON

In cropPhoto of EditUserPhotoController.java, there is a possible access to content owned by system content providers due to a confused deputy. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
platform/packages/apps/emergencyinfoeq12L
platform/frameworks/baseeq13
platform/packages/apps/emergencyinfoeq13
platform/packages/apps/emergencyinfoeq10
platform/frameworks/baseeq12L
platform/packages/apps/emergencyinfoeq11
platform/packages/apps/emergencyinfoeq12
platform/frameworks/baseeq10
platform/frameworks/baseeq12
platform/frameworks/baseeq11

Name	Operator	Version
platform/packages/apps/emergencyinfo	eq	12L
platform/frameworks/base	eq	13
platform/packages/apps/emergencyinfo	eq	13
platform/packages/apps/emergencyinfo	eq	10
platform/frameworks/base	eq	12L
platform/packages/apps/emergencyinfo	eq	11
platform/packages/apps/emergencyinfo	eq	12
platform/frameworks/base	eq	10
platform/frameworks/base	eq	12
platform/frameworks/base	eq	11

References

android.googlesource.com/platform/frameworks/base/+/b76141eb2bace631aabe4c6b55630e7b219044b1

android.googlesource.com/platform/packages/apps/EmergencyInfo/+/5981e18eb50c54088dc29f8a1e1dc8efdd4bb887

source.android.com/security/bulletin/2022-12-01

9.3 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.0005 Low

EPSS

Percentile

17.3%

JSON

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