GoogleOSV:ASB-A-155094269

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

All telephony code PendingIntent should use FLAG_IMMUTABLE to prevent security hole

2020-09-0100:00:00

Google

osv.dev

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

In various places in Telephony, there is a possible permission bypass due to an unsafe PendingIntent. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation.

CPENameOperatorVersion
platform/frameworks/opt/telephonyeq8.1
platform/frameworks/opt/telephonyeq10
platform/packages/apps/settingseq8.1
platform/frameworks/opt/telephonyeq9
platform/packages/apps/settingseq9
platform/frameworks/opt/telephonyeq8.0
platform/packages/apps/settingseq8.0
platform/packages/apps/settingseq10

Name	Operator	Version
platform/frameworks/opt/telephony	eq	8.1
platform/frameworks/opt/telephony	eq	10
platform/packages/apps/settings	eq	8.1
platform/frameworks/opt/telephony	eq	9
platform/packages/apps/settings	eq	9
platform/frameworks/opt/telephony	eq	8.0
platform/packages/apps/settings	eq	8.0
platform/packages/apps/settings	eq	10

References

android.googlesource.com/platform/frameworks/opt/telephony/+/0126084de146b51a842d7604cddb3303f46cade7

android.googlesource.com/platform/frameworks/opt/telephony/+/08ba90fdc20cb8a1c2e6d25d88bda00217191e76

android.googlesource.com/platform/frameworks/opt/telephony/+/1e6c7f615eb78811b8ba3136c6f4a052ca3b6cf0

android.googlesource.com/platform/frameworks/opt/telephony/+/21e03356b28be08e2d5aeac15a446f820f95fb70

android.googlesource.com/platform/frameworks/opt/telephony/+/76decc9e24f07f82af8953c80d2873020a771658

android.googlesource.com/platform/frameworks/opt/telephony/+/89763569eacb10c4043d8937c948130b1f816e79

android.googlesource.com/platform/frameworks/opt/telephony/+/e18b8b2dbb553caf3f8f14f40f6b8f7da50b6eff

android.googlesource.com/platform/frameworks/opt/telephony/+/ed0820373c236b4ef779653b08ea056e7325b0ed

android.googlesource.com/platform/packages/apps/Settings/+/f3afef8419de2910b03c3670ca25e63ac3c08407

source.android.com/security/bulletin/2020-09-01

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

NONE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

Related for OSV:ASB-A-155094269