CVE-2021-32485

In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00500621; Issue ID: ALPS04964926.

CVSS v3.0 7.5 HIGH
CVSS v2.0 7.8 HIGH

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

7.8^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/September-2021	Vendor Advisory

Advertisement

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:mediatek:modem:lr12a:::::::*
	cpe:2.3:o:mediatek:modem:lr13:::::::*

OR	cpe:2.3:h:mediatek:mt6739:-:::::::*
	cpe:2.3:h:mediatek:mt6761:-:::::::*
	cpe:2.3:h:mediatek:mt6762:-:::::::*
	cpe:2.3:h:mediatek:mt6762d:-:::::::*
	cpe:2.3:h:mediatek:mt6762m:-:::::::*
	cpe:2.3:h:mediatek:mt6763:-:::::::*
	cpe:2.3:h:mediatek:mt6765:-:::::::*
	cpe:2.3:h:mediatek:mt6765t:-:::::::*
	cpe:2.3:h:mediatek:mt6767:-:::::::*
	cpe:2.3:h:mediatek:mt6768:-:::::::*
	cpe:2.3:h:mediatek:mt6769:-:::::::*
	cpe:2.3:h:mediatek:mt6769t:-:::::::*
	cpe:2.3:h:mediatek:mt6769z:-:::::::*
	cpe:2.3:h:mediatek:mt6771:-:::::::*
	cpe:2.3:h:mediatek:mt6779:-:::::::*
	cpe:2.3:h:mediatek:mt6783:-:::::::*
	cpe:2.3:h:mediatek:mt6785:-:::::::*
	cpe:2.3:h:mediatek:mt6785t:-:::::::*

Information

Published : 2021-09-09 09:15

Updated : 2021-09-21 12:39

NVD link : CVE-2021-32485

Mitre link : CVE-2021-32485

JSON object : View

CWE

CWE-787

Out-of-bounds Write

Advertisement

Products Affected

mediatek

mt6779
mt6771
mt6765t
mt6768
mt6769t
mt6783
mt6769
mt6785t
mt6762m
mt6763
mt6767
mt6762
mt6761
mt6762d
mt6765
mt6785
modem
mt6739
mt6769z

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://corp.mediatek.com/product-security-bulletin/September-2021", "name": "https://corp.mediatek.com/product-security-bulletin/September-2021", "tags": ["Vendor Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "In modem 2G RRM, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00500621; Issue ID: ALPS04964926."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-787"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-32485", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-09-09T16:15Z", "configurations": {"nodes": [{"children": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:mediatek:modem:lr12a:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:o:mediatek:modem:lr13:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6762:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6762d:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6762m:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6763:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6765t:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6767:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6769:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6769t:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6769z:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6771:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6779:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6783:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}, {"cpe23Uri": "cpe:2.3:h:mediatek:mt6785t:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false}]}], "operator": "AND", "cpe_match": []}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-09-21T19:39Z"}