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GoogleOSV:ASB-A-256819769

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

Emergency service DoS due to large PhoneAccount labels

2023-11-0100:00:00

Google

osv.dev

emergency service

dos

phoneaccountregistrar

input validation

denial of service

exploitation

software

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 functions of PhoneAccountRegistrar.java, there is a possible way to prevent an access to emergency services due to improper input validation. 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/+/d697852919eeb26e161c9a426f89668bd3abb92d

android.googlesource.com/platform/packages/services/Telecomm/+/77e56baaab063bac6374e0ebe4f3941b91a1ae71

source.android.com/security/bulletin/2023-11-01

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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