CVE-2018-21054

An issue was discovered on Samsung mobile devices with M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0) except MSM8939, N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://security.samsungmobile.com/securityUpdate.smsb	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:google:android:6.0:::::::*
	cpe:2.3:o:google:android:7.0:::::::*
	cpe:2.3:o:google:android:7.1.0:::::::*
	cpe:2.3:o:google:android:7.1.1:::::::*
	cpe:2.3:o:google:android:7.1.2:::::::*
	cpe:2.3:o:google:android:8.0:::::::*
	cpe:2.3:o:google:android:8.1:::::::*

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

Configuration 2 (hide)

AND

cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*

OR	cpe:2.3:h:qualcomm:msm8909:-:::::::*
	cpe:2.3:h:qualcomm:msm9830:-:::::::*
	cpe:2.3:h:samsung:exynos_3470:-:::::::*
	cpe:2.3:h:samsung:exynos_5420:-:::::::*
	cpe:2.3:h:unisoc:sc7715:-:::::::*
	cpe:2.3:h:unisoc:sc7730:-:::::::*
	cpe:2.3:h:unisoc:sc7731:-:::::::*

Configuration 3 (hide)

AND

cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:msm8939:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:google:android:7.1:*:*:*:*:*:*:*

OR	cpe:2.3:h:mediatek:m6737t:-:::::::*
	cpe:2.3:h:qualcomm:msm8996:-:::::::*
	cpe:2.3:h:qualcomm:sdm6xx:-:::::::*

Information

Published : 2020-04-08 11:15

Updated : 2023-02-11 05:09

NVD link : CVE-2018-21054

Mitre link : CVE-2018-21054

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

Products Affected

qualcomm

msm8939
msm9830
sdm6xx
msm8909
msm8996

google

android

mediatek

m6737t

samsung

exynos_9820
exynos_3470
exynos_5420
exynos_9610

unisoc

sc7730
sc7731
sc7715

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://security.samsungmobile.com/securityUpdate.smsb", "name": "https://security.samsungmobile.com/securityUpdate.smsb", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered on Samsung mobile devices with M(6.0), N(7.x) and O(8.x) except exynos9610/9820 in all Platforms, M(6.0) except MSM8909 SC77xx/9830 exynos3470/5420, N(7.0) except MSM8939, N(7.1) except MSM8996 SDM6xx/M6737T software. There is an integer underflow with a resultant buffer overflow in eCryptFS. The Samsung ID is SVE-2017-11857 (September 2018)."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-190"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2018-21054", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2020-04-08T18:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:samsung:exynos_9610:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:samsung:exynos_9820:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:qualcomm:msm8909:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:qualcomm:msm9830:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:samsung:exynos_3470:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:samsung:exynos_5420:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:unisoc:sc7715:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:unisoc:sc7730:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:unisoc:sc7731:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:qualcomm:msm8939:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}, {"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:google:android:7.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:mediatek:m6737t:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:qualcomm:msm8996:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:qualcomm:sdm6xx:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-11T13:09Z"}

9.8 /10