154 lines
6.4 KiB
JSON
154 lines
6.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.1",
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"cveMetadata": {
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"cveId": "CVE-2024-21670",
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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": "2023-12-29T16:10:20.368Z",
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"datePublished": "2024-01-16T21:44:05.572Z",
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"dateUpdated": "2024-08-01T22:27:35.720Z"
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},
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"containers": {
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"cna": {
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"title": "CL-Signatures Revocation Scheme in Ursa has flaws that allow a holder to demonstrate non-revocation of a revoked credential",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-327",
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"lang": "en",
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"description": "CWE-327: Use of a Broken or Risky Cryptographic Algorithm",
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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": "HIGH",
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"attackVector": "PHYSICAL",
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"availabilityImpact": "NONE",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "HIGH",
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"scope": "CHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/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/hyperledger-archives/ursa/security/advisories/GHSA-r78f-4q2q-hvv4",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/hyperledger-archives/ursa/security/advisories/GHSA-r78f-4q2q-hvv4"
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}
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],
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"affected": [
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{
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"vendor": "hyperledger-archives",
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"product": "ursa",
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"versions": [
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{
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"version": "<= 0.3.7",
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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": "2024-01-16T21:44:05.572Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Ursa is a cryptographic library for use with blockchains. The revocation schema that is part of the Ursa CL-Signatures implementations has a flaw that could impact the privacy guarantees defined by the AnonCreds verifiable credential model, allowing a malicious holder of a revoked credential to generate a valid Non-Revocation Proof for that credential as part of an AnonCreds presentation. A verifier may verify a credential from a holder as being \"not revoked\" when in fact, the holder's credential has been revoked. Ursa has moved to end-of-life status and no fix is expected."
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}
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],
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"source": {
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"advisory": "GHSA-r78f-4q2q-hvv4",
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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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"title": "CISA ADP Vulnrichment",
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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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"id": "CVE-2024-21670",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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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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"version": "2.0.3",
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"timestamp": "2024-05-20T20:46:39.280934Z"
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}
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}
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}
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],
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"affected": [
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{
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"cpes": [
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"cpe:2.3:a:hyperledger:ursa:*:*:*:*:*:*:*:*"
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],
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"vendor": "hyperledger",
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"product": "ursa",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"versionType": "custom",
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"lessThanOrEqual": "0.3.7"
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}
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],
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"defaultStatus": "unknown"
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}
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],
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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": "2024-06-04T17:37:45.919Z"
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}
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},
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-01T22:27:35.720Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"name": "https://github.com/hyperledger-archives/ursa/security/advisories/GHSA-r78f-4q2q-hvv4",
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"tags": [
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"x_refsource_CONFIRM",
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"x_transferred"
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],
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"url": "https://github.com/hyperledger-archives/ursa/security/advisories/GHSA-r78f-4q2q-hvv4"
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}
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]
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}
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]
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}
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} |