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osvGoogleOSV:ASB-A-228314987
HistoryAug 01, 2022 - 12:00 a.m.

Bypass fix of CVE-2021-39807 : Disable secure nfc in guest user via SettingsSlice

2022-08-0100:00:00
Google
osv.dev
10
cve-2021-39807
secure nfc
guest user
privilege escalation
settingsslice
missing permission check
local exploitation
software

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

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

AI Score

7

Confidence

High

EPSS

0

Percentile

5.1%

JSON

In setChecked of SecureNfcPreferenceController.java, there is a missing permission check. This could lead to local escalation of privilege from the guest user with no additional execution privileges needed. User interaction is not needed for exploitation.

Related

prion 2
osv 1
cve 2
nvd 2
cvelist 2
androidsecurity 1
prion
prion
Privilege escalation
2022-04-12 17:15:00
Privilege escalation
2022-08-10 20:15:00
osv
osv
[Owner's NFC can be used by the guest without authorization]
2022-04-01 00:00:00
cve
cve
CVE-2021-39807
2022-04-12 17:15:08
CVE-2022-20360
2022-08-10 20:15:27
nvd
nvd
CVE-2022-20360
2022-08-10 20:15:27
CVE-2021-39807
2022-04-12 17:15:08
cvelist
cvelist
CVE-2022-20360
2022-08-09 20:24:47
CVE-2021-39807
2022-04-12 16:11:48
androidsecurity
androidsecurity
Chromecast Security Bulletin—July 2022
2022-07-18 00:00:00

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

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

AI Score

7

Confidence

High

EPSS

0

Percentile

5.1%

JSON
Related for OSV:ASB-A-228314987
prion2osv1cve2nvd2cvelist2androidsecurity1