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osvGoogleOSV:ASB-A-236688380
HistoryAug 01, 2023 - 12:00 a.m.

Calling ContentProvider.openFile() with Binding.getCallingUid() == 1000

2023-08-0100:00:00
Google
osv.dev
2
contentprovider
openfile
binding
callinguid
activitymanagerservice
confused deputy
restricted files
third party app
local information disclosure
execution privileges
user interaction

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

In openContentUri of ActivityManagerService.java, there is a possible way for a third party app to obtain restricted files due to a confused deputy. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

6.4 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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