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osvGoogleOSV:ASB-A-243377226
HistoryApr 01, 2023 - 12:00 a.m.

Bypass BG-FGS while-in-use/start restrictions via PackageInstaller.Session#commit

2023-04-0100:00:00
Google
osv.dev
2
logic error
privilege escalation
no user interaction
software

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%

In multiple methods of PackageInstallerSession.java, there is a possible way to start foreground services from the background due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

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%

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