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GoogleOSV:ASB-A-160390416

HistoryOct 01, 2020 - 12:00 a.m.

ActivityManager#setProcessMemoryTrimLevel exposes foreground apps; used for phishing

2020-10-0100:00:00

Google

osv.dev

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

In setProcessMemoryTrimLevel of ActivityManagerService.java, there is a missing permission check. This could lead to local information disclosure of foreground processes with no additional execution privileges needed. User interaction is not needed for exploitation.

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

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

References

android.googlesource.com/platform/frameworks/base/+/cbcf477e8b05f092bf6519e3ba4db363247ff4f6

source.android.com/security/bulletin/2020-10-01

3.3 Low

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

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