191 lines
7.4 KiB
JSON
191 lines
7.4 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-2026-68767",
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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": "2026-07-31T16:10:55.447Z",
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"datePublished": "2026-08-22T14:12:43.477Z",
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"dateUpdated": "2026-08-26T16:16:18.796Z"
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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": "2026-08-22T14:12:43.477Z"
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},
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"datePublic": "2026-07-31T00:00:00.000Z",
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"title": "hashcat through 7.1.2 Off-by-One Out-of-Bounds Heap Write in fgetl()",
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"descriptions": [
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{
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"lang": "en",
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"value": "hashcat's fgetl() function in src/filehandling.c writes a null terminator one byte past the caller's buffer when an input line is exactly the buffer length. Attackers can trigger this out-of-bounds heap write by providing a hash file, potfile, or wordlist containing a line of exactly HCBUFSIZ_LARGE bytes."
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}
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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": "Off-by-one Error",
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"cweId": "CWE-193",
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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": "hashcat",
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"product": "hashcat",
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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": "7.1.2",
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"status": "affected",
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"versionType": "semver"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:hashcat:hashcat:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "7.1.2"
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}
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]
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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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"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:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "PASSIVE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 6.9,
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"baseSeverity": "MEDIUM"
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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:L/PR:N/UI:R/S:U/C:N/I:L/A:H",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "HIGH",
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"baseScore": 6.1,
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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://github.com/hashcat/hashcat/issues/4739",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #4739"
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},
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{
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"url": "https://github.com/hashcat/hashcat",
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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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"url": "https://github.com/hashcat/hashcat/commit/93b55d37d3b2340013d4036f10181ddc67d44249",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/hashcat/hashcat/blob/v7.1.2/src/filehandling.c#L1032-L1060",
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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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"name": "VulnCheck Advisory: hashcat through 7.1.2 Off-by-One Out-of-Bounds Heap Write in fgetl()",
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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/hashcat-through-off-by-one-out-of-bounds-heap-write-in-fgetl"
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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": "Piotr Kowalczyk",
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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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"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": "2026-08-26T15:55:33.117805Z",
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"id": "CVE-2026-68767",
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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": "partial"
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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": "2026-08-26T16:16:18.796Z"
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}
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}
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]
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}
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} |