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GoogleOSV:ASB-A-266580022

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

Local persistent denial of service when setting PackageManager.GET_SIGNATURES

2023-10-0100:00:00

Google

osv.dev

packagemanager

get_signatures

crash

system services

local denial of service

resource exhaustion

user interaction

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

Percentile

5.1%

JSON

In multiple locations, there is a possible way to crash multiple system services due to resource exhaustion. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation.

References

android.googlesource.com/platform/frameworks/base/+/84df68840b6f2407146e722ebd95a7d8bc6e3529

android.googlesource.com/platform/tools/apksig/+/039f815895f62c9f8af23df66622b66246f3f61e

android.googlesource.com/platform/tools/apksig/+/41d882324288085fd32ae0bb70dc85f5fd0e2be7

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

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.9

Confidence

High

EPSS

Percentile

5.1%

JSON

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