Files
vuln-cve/data/2026/0xxx/CVE-2026-0392.json
T

218 lines
10 KiB
JSON
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-0392",
"assignerOrgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
"state": "PUBLISHED",
"assignerShortName": "ENISA",
"dateReserved": "2025-11-27T11:36:47.937Z",
"datePublished": "2026-08-03T09:56:31.363Z",
"dateUpdated": "2026-08-05T09:29:36.104Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "a6d3dc9e-0591-4a13-bce7-0f5b31ff6158",
"shortName": "ENISA",
"dateUpdated": "2026-08-05T09:29:36.104Z"
},
"title": "eParakstītājs 3.0 for Windows – remote code execution via unauthenticated auto-update",
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-494",
"description": "CWE-494 Download of code without integrity check",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-295",
"description": "CWE-295 Improper certificate validation",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"lang": "en",
"cweId": "CWE-347",
"description": "CWE-347 Improper verification of cryptographic signature",
"type": "CWE"
}
]
}
],
"affected": [
{
"vendor": "Latvijas Valsts radio un televīzijas centrs (LVRTC)",
"product": "eParakstītājs 3.0",
"platforms": [
"Windows"
],
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "1.10.0",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
],
"descriptions": [
{
"lang": "en",
"value": "eParakstītājs 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "<p><span>eParakstītājs 3.0 for Windows before version\n1.10.0 retrieves and executes its automatic updates over a channel that is not\nauthenticated or integrity-protected. On each launch the application fetches an\nupdate descriptor (XML) over TLS but accepts any TLS certificate (a permissive\nTrustManager and a HostnameVerifier that always returns true), does not verify\nany digital signature on the update descriptor, and does not verify the\nAuthenticode signature or a checksum of the downloaded installer before running\nit. A man-in-the-middle attacker able to redirect www.eparaksts.lv can serve a\ncrafted update descriptor pointing to an attacker-controlled executable, which\nthe client downloads and executes, resulting in arbitrary code execution on the\nvictim host.</span></p>"
}
]
}
],
"references": [
{
"url": "https://www.eparaksts.lv/lv/par_mums/Jaunumi/Jauna_eParakstitajs_30_versija_1100",
"tags": [
"vendor-advisory",
"release-notes"
]
},
{
"url": "https://cvd.cert.lv/inbox/view/vuln-all-1689187061",
"tags": [
"government-resource",
"third-party-advisory",
"permissions-required"
]
},
{
"url": "https://offseq.com/en/research/eparakstitajs-cve-2026-0392/",
"tags": [
"technical-description",
"third-party-advisory"
]
}
],
"metrics": [
{
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
],
"cvssV4_0": {
"attackVector": "ADJACENT",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"userInteraction": "ACTIVE",
"vulnConfidentialityImpact": "HIGH",
"subConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"subIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"version": "4.0",
"baseSeverity": "HIGH",
"baseScore": 7.3,
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
}
],
"workarounds": [
{
"lang": "en",
"value": "Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "<span>Until updated, disable\nautomatic updates and install new versions only from the official signed\npackage obtained over a trusted network, verifying the Authenticode signature\nmanually.</span>"
}
]
}
],
"solutions": [
{
"lang": "en",
"value": "Update eParakstītājs 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.",
"supportingMedia": [
{
"type": "text/html",
"base64": false,
"value": "<span>Update eParakstītājs 3.0 to\nversion 1.10.0 or later, in which the update channel is authenticated and the\ndownloaded installer is signature-verified.</span>"
}
]
}
],
"credits": [
{
"lang": "en",
"value": "Nils Putniņš, OffSeq (SIA SEQ)",
"type": "finder"
}
],
"source": {
"discovery": "UNKNOWN"
},
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-08-03T10:35:21.949793Z",
"id": "CVE-2026-0392",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-08-03T10:41:43.673Z"
}
}
]
}
}