CVE-2021-25415

Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to remap EL2 memory as writable.

CVSS v3 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

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

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:h:samsung:exynos_9610:-:::::::*
	cpe:2.3:h:samsung:exynos_9810:-:::::::*
	cpe:2.3:h:samsung:exynos_9820:-:::::::*
	cpe:2.3:h:samsung:exynos_9830:-:::::::*

OR	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

History

No history.

Information

Published : 2021-06-11 15:15

Updated : 2021-06-16 19:20

NVD link : CVE-2021-25415

Mitre link : CVE-2021-25415

CVE.ORG link : CVE-2021-25415

JSON object : View

Products Affected

google

android

samsung

exynos_9830
exynos_9810
exynos_9820
exynos_9610

CWE

CWE-20

Improper Input Validation

CWE-94

Improper Control of Generation of Code ('Code Injection')

{"id": "CVE-2021-25415", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-06-11T15:15:10.400", "references": [{"url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=6", "tags": ["Vendor Advisory"], "source": "mobile.security@samsung.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}, {"type": "Secondary", "source": "mobile.security@samsung.com", "description": [{"lang": "en", "value": "CWE-94"}]}], "descriptions": [{"lang": "en", "value": "Assuming EL1 is compromised, an improper address validation in RKP prior to SMR JUN-2021 Release 1 allows local attackers to remap EL2 memory as writable."}, {"lang": "es", "value": "Asumiendo que EL1 est\u00e9 comprometido, una comprobaci\u00f3n de direcciones inapropiada en RKP versiones anteriores a SMR JUN-2021 Release 1, permite a atacantes locales reasignar la memoria del EL2 como escribible"}], "lastModified": "2021-06-16T19:20:41.447", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:samsung:exynos_9610:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "26056D36-E735-4D10-A337-C7DCEAC15245"}, {"criteria": "cpe:2.3:h:samsung:exynos_9810:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D3F23066-4258-4E9D-964F-C76386DF7DF1"}, {"criteria": "cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "1B8C35DE-1C58-4C6E-BB15-0E3C2FECB8DA"}, {"criteria": "cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CC599902-095F-411E-B112-1BA9A643C6C9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "mobile.security@samsung.com"}