CVE-2021-3675 (GCVE-0-2021-3675)
Vulnerability from cvelistv5 – Published: 2022-06-16 16:15 – Updated: 2024-09-16 17:38
VLAI
EPSS
VEX
Title
synaTEE.signed.dll Out-Of-Bounds Heap Write
Summary
Improper Input Validation vulnerability in synaTEE.signed.dll of Synaptics Fingerprint Driver allows a local authorized attacker to overwrite a heap tag, with potential loss of confidentiality. This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.
Severity
5.5 (Medium)
CWE
- CWE-20 - Improper Input Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://synaptics.com/sites/default/files/2022-06… | x_refsource_CONFIRM |
| https://support.lenovo.com/us/en/product_security… | x_refsource_MISC |
| https://support.hp.com/us-en/document/ish_6411153… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Synaptics | Synaptics Fingerprint Driver |
Affected:
5.1.xxx.26 , < xxx=340
(custom)
Affected: 5.2.xxxx.26 , < xxxx=3541 (custom) Affected: 5.2.2xx.26 , < xx=29 (custom) Affected: 5.2.3xx.26 , < xx=25 (custom) Affected: 5.3.xxxx.26 , < xxxx=3543 (custom) Affected: 5.5.xx.1058 , < xx=44 (custom) Affected: 5.5.xx.1102 , < xx=34 (custom) Affected: 5.5.xx.1116 , < xx=14 (custom) Affected: 6.0.xx.1104 , < xx=50 (custom) Affected: 6.0.xx.1108 , < xx=31 (custom) Affected: 6.0.xx.1111 , < xx=58 (custom) |
guessed |
Date Public
2022-06-14 00:00
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},
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This issue affects: Synaptics Synaptics Fingerprint Driver 5.1.xxx.26 versions prior to xxx=340 on x86/64; 5.2.xxxx.26 versions prior to xxxx=3541 on x86/64; 5.2.2xx.26 versions prior to xx=29 on x86/64; 5.2.3xx.26 versions prior to xx=25 on x86/64; 5.3.xxxx.26 versions prior to xxxx=3543 on x86/64; 5.5.xx.1058 versions prior to xx=44 on x86/64; 5.5.xx.1102 versions prior to xx=34 on x86/64; 5.5.xx.1116 versions prior to xx=14 on x86/64; 6.0.xx.1104 versions prior to xx=50 on x86/64; 6.0.xx.1108 versions prior to xx=31 on x86/64; 6.0.xx.1111 versions prior to xx=58 on x86/64.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de comprobaci\u00f3n de entrada inapropiada en el archivo synaTEE.signed.dll de Synaptics Fingerprint Driver, permite a un atacante local autorizado sobrescribir una etiqueta de la pila, con posible p\u00e9rdida de confidencialidad. Este problema afecta a: Synaptics Fingerprint Driver versiones: 5.1.xxx.26 versiones anteriores a xxx=340 en x86/64; 5.2.xxxx.26 versiones anteriores a xxxx=3541 en x86/64; 5.2.2xx.26 versiones anteriores a xx=29 en x86/64; 5.2.3xx.26 versiones anteriores a xx=25 en x86/64; 5.3.xxxx.26 versiones anteriores a xxxx=3543 en x86/64; 5.5.xx.1058 versiones anteriores a xx=44 en x86/64; 5.5.xx.1102 versiones anteriores a xx=34 en x86/64; 5.5.xx.1116 versiones anteriores a xx=14 en x86/64; 6.0.xx.1104 versiones anteriores a xx=50 en x86/64; 6.0.xx.1108 versiones anteriores a xx=31 en x86/64; 6.0.xx.1111 versiones anteriores a xx=58 en x86/64\"}],\"affected\":[{\"source\":\"PSIRT@synaptics.com\",\"affectedData\":[{\"vendor\":\"Synaptics\",\"product\":\"Synaptics Fingerprint Driver\",\"platforms\":[\"x86/64\"],\"versions\":[{\"version\":\"5.1.xxx.26\",\"lessThan\":\"xxx=340\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.2.xxxx.26\",\"lessThan\":\"xxxx=3541\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.2.2xx.26\",\"lessThan\":\"xx=29\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.2.3xx.26\",\"lessThan\":\"xx=25\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.3.xxxx.26\",\"lessThan\":\"xxxx=3543\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.5.xx.1058\",\"lessThan\":\"xx=44\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.5.xx.1102\",\"lessThan\":\"xx=34\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"5.5.xx.1116\",\"lessThan\":\"xx=14\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.0.xx.1104\",\"lessThan\":\"xx=50\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.0.xx.1108\",\"lessThan\":\"xx=31\",\"versionType\":\"custom\",\"status\":\"affected\"},{\"version\":\"6.0.xx.1111\",\"lessThan\":\"xx=58\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"PSIRT@synaptics.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:P/I:N/A:P\",\"baseScore\":3.6,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"LOW\",\"exploitabilityScore\":3.9,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"PSIRT@synaptics.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.1.000.26\",\"versionEndExcluding\":\"5.1.340.26\",\"matchCriteriaId\":\"F38E1DD1-ECC6-43BC-A9B4-AB9132BB5E33\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.0000.26\",\"versionEndExcluding\":\"5.2.3541.26\",\"matchCriteriaId\":\"F018DFB2-D2B8-40FD-B1BA-54B6796FC5DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.200.26\",\"versionEndExcluding\":\"5.2.229.26\",\"matchCriteriaId\":\"FB516B80-AE5A-4B4D-87D2-AC891FAE552C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.2.300.26\",\"versionEndExcluding\":\"5.2.325.26\",\"matchCriteriaId\":\"4541B32F-5849-497B-8529-533115478160\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.3.0000.26\",\"versionEndExcluding\":\"5.3.3543.26\",\"matchCriteriaId\":\"F7D42006-84C4-450E-B180-BFEC5D5C98E1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.00.1058\",\"versionEndExcluding\":\"5.5.44.1058\",\"matchCriteriaId\":\"22618553-5C06-487F-9F2A-E881DA0FC6A6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.00.1102\",\"versionEndExcluding\":\"5.5.34.1102\",\"matchCriteriaId\":\"0FB65743-59BE-4580-AC83-E0239BCEB492\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5.00.1116\",\"versionEndExcluding\":\"5.5.14.1116\",\"matchCriteriaId\":\"A26003EA-72D4-40CC-AFA9-E9A9AFA35673\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:synaptics:fingerprint_driver:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.00.1111\",\"versionEndExcluding\":\"6.0.58.1111\",\"matchCriteriaId\":\"A73E613F-C8BD-42EC-9797-34B4AD2EC280\"}]}]}],\"references\":[{\"url\":\"https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797\",\"source\":\"PSIRT@synaptics.com\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://support.lenovo.com/us/en/product_security/LEN-68054\",\"source\":\"PSIRT@synaptics.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf\",\"source\":\"PSIRT@synaptics.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.hp.com/us-en/document/ish_6411153-6411191-16/hpsbhf03797\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://support.lenovo.com/us/en/product_security/LEN-68054\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://synaptics.com/sites/default/files/2022-06/fingerprint-driver-SGX-security-brief-2022-06-14.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
"redhat_vex": {
"current_release_date": "2026-03-27T13:48:24+00:00",
"cve": "CVE-2021-3675",
"id": "CVE-2021-3675",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "synaTEE.signed.dll Out-Of-Bounds Heap Write",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3675.json",
"version": "3"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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