CVE-2024-36277 (GCVE-0-2024-36277)
Vulnerability from cvelistv5 – Published: 2024-06-17 07:33 – Updated: 2024-08-02 03:37
VLAI
EPSS
VEX
Summary
Improper verification of cryptographic signature issue exists in "FreeFrom - the nostr client" App versions prior to 1.3.5 for Android and iOS. The affected app cannot detect event data with invalid signatures.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-06-17 14:24 UTC
CWE
- Improper Verification of Cryptographic Signature
- CWE-347 - Improper Verification of Cryptographic Signature
Assigner
References
Impacted products
3 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| FreeFrom K.K. | "FreeFrom - the nostr client" App for Android |
Affected:
prior to 1.3.5
|
guessed | |
| FreeFrom K.K. | "FreeFrom - the nostr client" App for iOS |
Affected:
prior to 1.3.5
|
guessed | |
| freefrom_kk | freefrom_the_nostr_client_app |
Affected:
0 , < 1.3.5
(custom)
cpe:2.3:a:freefrom_kk:freefrom_the_nostr_client_app:*:*:*:*:*:*:*:* |
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:freefrom_kk:freefrom_the_nostr_client_app:*:*:*:*:*:*:*:*"
],
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"product": "freefrom_the_nostr_client_app",
"vendor": "freefrom_kk",
"versions": [
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-36277",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-17T14:24:09.463816Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-347",
"description": "CWE-347 Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-18T16:30:29.244Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-02T03:37:05.045Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://freefrom.space/"
},
{
"tags": [
"x_transferred"
],
"url": "https://play.google.com/store/apps/details?id=com.freefrom"
},
{
"tags": [
"x_transferred"
],
"url": "https://apps.apple.com/us/app/freefrom-the-nostr-client/id6446819930"
},
{
"tags": [
"x_transferred"
],
"url": "https://jvn.jp/en/jp/JVN55045256/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "\"FreeFrom - the nostr client\" App for Android",
"vendor": "FreeFrom K.K.",
"versions": [
{
"status": "affected",
"version": "prior to 1.3.5"
}
]
},
{
"product": "\"FreeFrom - the nostr client\" App for iOS",
"vendor": "FreeFrom K.K.",
"versions": [
{
"status": "affected",
"version": "prior to 1.3.5"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper verification of cryptographic signature issue exists in \"FreeFrom - the nostr client\" App versions prior to 1.3.5 for Android and iOS. The affected app cannot detect event data with invalid signatures."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Improper Verification of Cryptographic Signature",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-17T07:33:55.100Z",
"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"shortName": "jpcert"
},
"references": [
{
"url": "https://freefrom.space/"
},
{
"url": "https://play.google.com/store/apps/details?id=com.freefrom"
},
{
"url": "https://apps.apple.com/us/app/freefrom-the-nostr-client/id6446819930"
},
{
"url": "https://jvn.jp/en/jp/JVN55045256/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"assignerShortName": "jpcert",
"cveId": "CVE-2024-36277",
"datePublished": "2024-06-17T07:33:55.100Z",
"dateReserved": "2024-06-03T03:52:23.220Z",
"dateUpdated": "2024-08-02T03:37:05.045Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-36277",
"date": "2026-09-25",
"epss": "0.00257",
"percentile": "0.1548"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "\"FreeFrom - the nostr client\" App for Android",
"vendor": "FreeFrom K.K.",
"versions": [
{
"status": "affected",
"version": "prior to 1.3.5"
}
]
},
{
"product": "\"FreeFrom - the nostr client\" App for iOS",
"vendor": "FreeFrom K.K.",
"versions": [
{
"status": "affected",
"version": "prior to 1.3.5"
}
]
}
],
"source": "vultures@jpcert.or.jp"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:freefrom_kk:freefrom_the_nostr_client_app:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "freefrom_the_nostr_client_app",
"vendor": "freefrom_kk",
"versions": [
{
"lessThan": "1.3.5",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Improper verification of cryptographic signature issue exists in \"FreeFrom - the nostr client\" App versions prior to 1.3.5 for Android and iOS. The affected app cannot detect event data with invalid signatures."
},
{
"lang": "es",
"value": "Existe un problema de verificaci\u00f3n incorrecta de la firma criptogr\u00e1fica en las versiones de la aplicaci\u00f3n \"FreeFrom - the nostr client\" anteriores a la 1.3.5 para Android e iOS. La aplicaci\u00f3n afectada no puede detectar datos de eventos con firmas no v\u00e1lidas."
}
],
"id": "CVE-2024-36277",
"lastModified": "2026-06-17T07:36:25.380",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 1.4,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-36277",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-06-17T14:24:09.463816Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-06-17T08:15:48.847",
"references": [
{
"source": "vultures@jpcert.or.jp",
"url": "https://apps.apple.com/us/app/freefrom-the-nostr-client/id6446819930"
},
{
"source": "vultures@jpcert.or.jp",
"url": "https://freefrom.space/"
},
{
"source": "vultures@jpcert.or.jp",
"url": "https://jvn.jp/en/jp/JVN55045256/"
},
{
"source": "vultures@jpcert.or.jp",
"url": "https://play.google.com/store/apps/details?id=com.freefrom"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://apps.apple.com/us/app/freefrom-the-nostr-client/id6446819930"
},
{
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"url": "https://freefrom.space/"
},
{
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"url": "https://jvn.jp/en/jp/JVN55045256/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://play.google.com/store/apps/details?id=com.freefrom"
}
],
"sourceIdentifier": "vultures@jpcert.or.jp",
"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
{
"lang": "en",
"value": "CWE-347"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"redhat_vex": {
"current_release_date": "2025-05-28T20:31:28+00:00",
"cve": "CVE-2024-36277",
"id": "CVE-2024-36277",
"initial_release_date": "2024-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2024-36277",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-36277.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
{
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],
"url": "https://play.google.com/store/apps/details?id=com.freefrom"
},
{
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],
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},
{
"tags": [
"x_transferred"
],
"url": "https://jvn.jp/en/jp/JVN55045256/"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:freefrom_kk:freefrom_the_nostr_client_app:*:*:*:*:*:*:*:*"
],
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"product": "freefrom_the_nostr_client_app",
"vendor": "freefrom_kk",
"versions": [
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"status": "affected",
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"metrics": [
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"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
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}
},
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"options": [
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},
{
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{
"Technical Impact": "total"
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"timestamp": "2024-06-17T14:24:09.463816Z",
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},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
"product": "\"FreeFrom - the nostr client\" App for Android",
"vendor": "FreeFrom K.K.",
"versions": [
{
"status": "affected",
"version": "prior to 1.3.5"
}
]
},
{
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"vendor": "FreeFrom K.K.",
"versions": [
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],
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{
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"value": "Improper verification of cryptographic signature issue exists in \"FreeFrom - the nostr client\" App versions prior to 1.3.5 for Android and iOS. The affected app cannot detect event data with invalid signatures."
}
],
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{
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"description": "Improper Verification of Cryptographic Signature",
"lang": "en",
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}
]
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],
"providerMetadata": {
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"orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
"shortName": "jpcert"
},
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},
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},
{
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},
{
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}
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},
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"datePublished": "2024-06-17T07:33:55.100Z",
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}
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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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