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GoogleOSV:ASB-A-171221302

HistoryFeb 01, 2021 - 12:00 a.m.

[UninstallerActivity Could be Overlaid to Trick user into Uninstalling]

2021-02-0100:00:00

Google

osv.dev

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

In onCreate of UninstallerActivity, there is a possible way to uninstall an all without informed user consent due to a tapjacking/overlay attack. This could lead to local escalation of privilege with User execution privileges needed. User interaction is needed for exploitation.

CPENameOperatorVersion
platform/frameworks/baseeq8.1
platform/frameworks/baseeq11
platform/frameworks/baseeq10
platform/frameworks/baseeq9
platform/frameworks/baseeq8.0

Name	Operator	Version
platform/frameworks/base	eq	8.1
platform/frameworks/base	eq	11
platform/frameworks/base	eq	10
platform/frameworks/base	eq	9
platform/frameworks/base	eq	8.0

References

android.googlesource.com/platform/frameworks/base/+/90cfe17643aa4ecbe7cbfb1c787217456f764e08

source.android.com/security/bulletin/2021-02-01

7.3 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

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