196 lines
8.2 KiB
JSON
196 lines
8.2 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-2026-77059",
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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": "2026-08-20T09:37:37.787Z",
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"datePublished": "2026-10-26T14:46:02.659Z",
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"dateUpdated": "2026-10-26T15:35:50.139Z"
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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": "2026-10-26T14:46:02.659Z"
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},
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"title": "TOCTOU Race Condition in boneIO",
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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-367",
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"description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition",
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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": "boneIO",
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"product": "boneIO",
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"collectionURL": "https://pypi.python.org",
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"packageName": "boneio",
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"repo": "https://github.com/boneIO-eu/app_black",
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"modules": [
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"app_black",
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"create_timedatectl_sudoers_file()"
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],
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"programFiles": [
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"boneio/webui/routes/timezone_sudoers.py"
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],
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"programRoutines": [
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{
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"name": "create_timedatectl_sudoers_file"
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}
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],
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"versions": [
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{
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"status": "affected",
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"version": "1.3.0",
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"lessThan": "1.6.0",
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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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"cpeApplicability": [
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{
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"operator": "OR",
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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:boneio:boneio:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "1.3.0",
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"versionEndExcluding": "1.6.0"
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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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"descriptions": [
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{
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"lang": "en",
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"value": "boneIO Black contains a TOCTOU race condition in the create_timedatectl_sudoers_file() function in boneio/webui/routes/timezone_sudoers.py. The function writes sudoers rules to a predictable temporary file, validates them, then installs them with root privileges. A local attacker can exploit the race window between validation and installation to substitute malicious content, or use the predictable filename for symlink attacks, resulting in arbitrary sudoers rule injection and local privilege escalation to root.\n\nThis issue was fixed in version 1.6.0.",
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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": "boneIO Black contains a TOCTOU race condition in the create_timedatectl_sudoers_file() function in boneio/webui/routes/timezone_sudoers.py. The function writes sudoers rules to a predictable temporary file, validates them, then installs them with root privileges. A local attacker can exploit the race window between validation and installation to substitute malicious content, or use the predictable filename for symlink attacks, resulting in arbitrary sudoers rule injection and local privilege escalation to root.<br><br>This issue was fixed in version 1.6.0."
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}
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]
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}
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],
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"tags": [
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"x_open-source"
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],
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"references": [
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{
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"url": "https://cert.pl/en/posts/2026/10/CVE-2026-77052",
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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://boneio.eu/en/docs/black",
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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": "LOCAL",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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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": "HIGH",
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"baseScore": 8.8,
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
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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": "Mateusz Włodarczak (s3ga)",
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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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"id": "CVE-2026-77059",
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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": "2026-10-26T15:30:38.399015Z"
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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": "2026-10-26T15:35:50.139Z"
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}
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}
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]
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}
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} |