145 lines
6.1 KiB
JSON
145 lines
6.1 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-2026-129092",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-11-13T15:08:47.490Z",
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"datePublished": "2026-11-13T15:11:13.522Z",
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"dateUpdated": "2026-11-13T15:11:13.522Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-11-13T15:11:13.522Z"
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},
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"datePublic": "2026-10-17T00:00:00.000Z",
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"title": "CCC Attestation SIG attested-tls-poc through commit 731ca82 TOCTOU via Handshake-Only Attestation",
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"descriptions": [
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{
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"lang": "en",
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"value": "CCC Attestation SIG attested-tls-poc through commit 731ca82 contains a time-of-check time-of-use vulnerability because Evidence is appraised only once during the TLS handshake, without post-handshake re-attestation. Attackers with local access to the attesting endpoint can alter workload code, data, configuration, or attached devices like GPUs while peers keep trusting the original Evidence."
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}
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],
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"tags": [
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"unsupported-when-assigned"
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],
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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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"description": "Time-of-check Time-of-use (TOCTOU) Race Condition",
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"cweId": "CWE-367",
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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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"affected": [
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{
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"vendor": "CCC-Attestation",
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"product": "attested-tls-poc",
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"defaultStatus": "unaffected",
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"versions": [
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{
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"version": "0",
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"lessThanOrEqual": "731ca82ed533fc7a1092be980887ae2e34261da2",
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"status": "affected",
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"versionType": "git"
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}
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],
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"packageURL": "pkg:github/ccc-attestation/attested-tls-poc",
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"collectionURL": "https://github.com/CCC-Attestation/attested-tls-poc",
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"repo": "https://github.com/CCC-Attestation/attested-tls-poc"
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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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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "NONE",
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"baseScore": 5.7,
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"baseSeverity": "MEDIUM"
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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://doi.org/10.1145/3779208.3785387",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/CCC-Attestation/formal-spec-id-crisis",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/ionut-arm/mbedtls/blob/f4ac7593826a506fc509c83cad73786acab1d442/library/ssl_tls13_generic.c#L430-L436",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/CCC-Attestation/attested-tls-poc",
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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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"name": "VulnCheck Advisory: CCC Attestation SIG attested-tls-poc through commit 731ca82 TOCTOU via Handshake-Only Attestation",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/ccc-attestation-sig-attested-tls-poc-through-commit-731ca82-toctou-via-handshake-only-attestation"
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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": "Muhammad Usama Sardar",
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"type": "finder"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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}
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}
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}
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} |