174 lines
7.2 KiB
JSON
174 lines
7.2 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-40070",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-04-09T00:39:12.204Z",
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"datePublished": "2026-04-09T17:26:51.495Z",
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"dateUpdated": "2026-04-13T15:38:58.154Z"
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},
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"containers": {
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"cna": {
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"title": "bsv-sdk and bsv-wallet persist unverified certifier signatures in acquire_certificate (direct and issuance paths)",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-347",
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"lang": "en",
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"description": "CWE-347: Improper Verification of Cryptographic Signature",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 8.1,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-hc36-c89j-5f4j",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-hc36-c89j-5f4j"
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},
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{
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"name": "https://github.com/sgbett/bsv-ruby-sdk/issues/305",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/sgbett/bsv-ruby-sdk/issues/305"
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},
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{
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"name": "https://github.com/sgbett/bsv-ruby-sdk/pull/306",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/sgbett/bsv-ruby-sdk/pull/306"
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},
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{
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"name": "https://github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/sgbett/bsv-ruby-sdk/commit/4992e8a265fd914a7eeb0405c69d1ff0122a84cc"
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},
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{
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"name": "https://brc.dev/52",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://brc.dev/52"
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}
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],
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"affected": [
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{
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"vendor": "sgbett",
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"product": "bsv-ruby-sdk",
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"versions": [
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{
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"version": ">= 0.3.1, < 0.8.2",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "sgbett",
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"product": "bsv-sdk",
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"versions": [
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{
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"version": ">= 0.3.1, < 0.8.2",
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"status": "affected"
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}
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]
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},
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{
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"vendor": "sgbett",
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"product": "bsv-wallet",
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"versions": [
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{
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"version": ">= 0.1.2, < 0.3.4",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-04-09T17:26:51.495Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "BSV Ruby SDK is the Ruby SDK for the BSV blockchain. From 0.3.1 to before 0.8.2, BSV::Wallet::WalletClient#acquire_certificate persists certificate records to storage without verifying the certifier's signature over the certificate contents. In acquisition_protocol: 'direct', the caller supplies all certificate fields (including signature:) and the record is written to storage verbatim. In acquisition_protocol: 'issuance', the client POSTs to a certifier URL and writes whatever signature the response body contains, also without verification. An attacker who can reach either API (or who controls a certifier endpoint targeted by the issuance path) can forge identity certificates that subsequently appear authentic to list_certificates and prove_certificate."
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}
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],
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"source": {
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"advisory": "GHSA-hc36-c89j-5f4j",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/sgbett/bsv-ruby-sdk/security/advisories/GHSA-hc36-c89j-5f4j",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-04-13T15:29:59.716749Z",
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"id": "CVE-2026-40070",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-04-13T15:38:58.154Z"
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}
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}
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]
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}
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} |