191 lines
9.0 KiB
JSON
191 lines
9.0 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-2026-9058",
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"assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
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"state": "PUBLISHED",
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"assignerShortName": "CERT-PL",
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"dateReserved": "2026-05-20T06:36:10.929Z",
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"datePublished": "2026-05-25T13:23:09.157Z",
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"dateUpdated": "2026-07-23T12:00:31.927Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
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"shortName": "CERT-PL",
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"dateUpdated": "2026-07-23T12:00:31.927Z"
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},
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"title": "Improper Certificate Verification in Szafir SDK",
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"datePublic": "2026-05-25T06:12:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-637",
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"description": "CWE-637 Unnecessary Complexity in Protection Mechanism (Not Using 'Economy of Mechanism')",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-393",
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"description": "CWE-393: Return of Wrong Status Code",
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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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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-295",
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"description": "CWE-295 Improper Certificate Validation",
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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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"impacts": [
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{
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"capecId": "CAPEC-115",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-115 Authentication Bypass"
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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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"vendor": "Krajowa Izba Rozliczeniowa",
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"product": "Szafir SDK",
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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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"lessThan": "1.8.463.2",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "For untrusted certificates that contain the \"Authority Information Access - caIssuers URI\" extension, Szafir SDK will automatically download the parent CA certificate from the specified URL and will import it to its trust store as a \"nonqualified\" certificate. In such a case, Szafir SDK returns a success status code of 0 (\"Positively verified\") upon successful cryptographic verification and a certificate status of \"nonqualified\".\n\nFor other types of untrusted certificates, Szafir SDK returns a success status code of 0 (\"Positively verified\") upon successful cryptographic verification and a certificate status of \"nondetermined\".\n\nThis may lead integrating applications to incorrectly treat the digital signature as valid despite an untrusted certificate chain. This flaw enables authentication bypass and user impersonation:\n(1) in use-cases other than qualified certificate authentication, or\n(2) if the qualified certificate authentication use-case is not correctly implemented by the integrating application.\n\nThis issue was fixed in version 1.8.463.2.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<span>For untrusted certificates that contain the \"Authority Information Access - caIssuers URI\" extension, Szafir SDK will automatically download the parent CA certificate from the specified URL and will import it to its trust store as a \"nonqualified\" certificate. In such a case, Szafir SDK returns a success status code of 0 (\"Positively verified\") upon successful cryptographic verification and a certificate status of \"nonqualified\".<br><br>For other types of untrusted certificates, Szafir SDK returns a success status code of 0 (\"Positively verified\") upon successful cryptographic verification and a certificate status of \"nondetermined\".<br><br>This may lead integrating applications to incorrectly treat the digital signature as valid despite an untrusted certificate chain. This flaw enables authentication bypass and user impersonation:<br>(1) in use-cases other than qualified certificate authentication, or<br>(2) if the qualified certificate authentication use-case is not correctly implemented by the integrating application.<br></span><br>This issue was fixed in version <span>1.8.463.2</span>."
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}
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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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"url": "https://cert.pl/posts/2026/05/CVE-2026-9058",
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"tags": [
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"third-party-advisory"
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]
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},
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{
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"url": "https://www.elektronicznypodpis.pl/",
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"tags": [
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"product"
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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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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "CRITICAL",
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"baseScore": 9.3,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Michał Leszczyński (icedev.pl)",
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"type": "finder"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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}
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},
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"adp": [
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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": "2026-05-26T15:57:55.171237Z",
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"id": "CVE-2026-9058",
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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": "yes"
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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": "2026-05-26T15:58:01.602Z"
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}
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}
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]
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}
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} |