CVE-2023-21245

In showNextSecurityScreenOrFinish of KeyguardSecurityContainerController.java, there is a possible way to access the lock screen during device setup 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.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622	Patch
https://source.android.com/security/bulletin/2023-07-01	Patch Vendor Advisory
https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622	Patch
https://source.android.com/security/bulletin/2023-07-01	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*
	cpe:2.3:o:google:android:13.0:::::::*
	cpe:2.3:o:google:android:13.1:::::::*

History

06 Jan 2025, 17:15

Type	Values Removed	Values Added
CWE		CWE-863

21 Nov 2024, 07:42

Type	Values Removed	Values Added
References	~~() https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622 - Patch~~	() https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622 - Patch
References	~~() https://source.android.com/security/bulletin/2023-07-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2023-07-01 - Patch, Vendor Advisory

Information

Published : 2023-07-13 00:15

Updated : 2025-01-06 17:15

NVD link : CVE-2023-21245

Mitre link : CVE-2023-21245

CVE.ORG link : CVE-2023-21245

JSON object : View

Products Affected

google

android

CWE

NVD-CWE-noinfo CWE-863

Incorrect Authorization

{"id": "CVE-2023-21245", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2023-07-13T00:15:23.683", "references": [{"url": "https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622", "tags": ["Patch"], "source": "security@android.com"}, {"url": "https://source.android.com/security/bulletin/2023-07-01", "tags": ["Patch", "Vendor Advisory"], "source": "security@android.com"}, {"url": "https://android.googlesource.com/platform/frameworks/base/+/a33159e8cb297b9eee6fa5c63c0e343d05fad622", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://source.android.com/security/bulletin/2023-07-01", "tags": ["Patch", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "In showNextSecurityScreenOrFinish of KeyguardSecurityContainerController.java, there is a possible way to access the lock screen during device setup 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.\n\n"}], "lastModified": "2025-01-06T17:15:11.087", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}, {"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C"}, {"criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"}, {"criteria": "cpe:2.3:o:google:android:13.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54C3907A-DF77-4A94-8537-A2FFA20B90A0"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}