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GoogleOSV:ASB-A-279902472

HistoryOct 01, 2023 - 12:00 a.m.

Modifying global APN settings as an unprivileged secondary user

2023-10-0100:00:00

Google

osv.dev

apn settings

permission bypass

privilege escalation

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

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In onCreate of ApnEditor.java, there is a possible way for a Guest user to change the APN due to a permission bypass. 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/settingseq11
platform/packages/apps/settingseq12
platform/packages/apps/settingseq13
platform/packages/apps/settingseq12L

Name	Operator	Version
platform/packages/apps/settings	eq	11
platform/packages/apps/settings	eq	12
platform/packages/apps/settings	eq	13
platform/packages/apps/settings	eq	12L

References

android.googlesource.com/platform/packages/apps/Settings/+/63d464c3fa5c7b9900448fef3844790756e557eb

source.android.com/security/bulletin/2023-10-01

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

7.3 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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