CVE-2025-34092

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{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-34092", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-07-02T20:31:23.606512Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-07-02T20:31:27.252Z"}}], "cna": {"title": "Chrome Cookie Key Exposure via AppBound COM Path Validation Weakness", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Ari Novick of CyberArk Labs"}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}, {"capecId": "CAPEC-59", "descriptions": [{"lang": "en", "value": "CAPEC-59 Session Credential Falsification through Prediction"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "LOCAL", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "Google", "modules": ["Path validation logic in AppBound Elevation Service"], "product": "Chrome", "versions": [{"status": "affected", "version": "127", "lessThan": "129", "versionType": "semver"}], "defaultStatus": "unknown"}], "references": [{"url": "https://www.cyberark.com/resources/threat-research-blog/c4-bomb-blowing-up-chromes-appbound-cookie-encryption", "tags": ["technical-description", "third-party-advisory"]}, {"url": "https://vulncheck.com/advisories/google-chrome-appbound-cookie-encryption", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "A cookie encryption bypass vulnerability exists in Google Chrome\u2019s AppBound mechanism due to weak path validation logic within the elevation service. When Chrome encrypts a cookie key, it records its own executable path as validation metadata. Later, when decrypting, the elevation service compares the requesting process\u2019s path to this stored path. However, due to path canonicalization inconsistencies, an attacker can impersonate Chrome (e.g., by naming their binary chrome.exe and placing it in a similar path) and successfully retrieve the encrypted cookie key. This allows malicious processes to retrieve cookies intended to be restricted to the Chrome process only.\n\nConfirmed in Google Chrome with AppBound Encryption enabled. Other Chromium-based browsers may be affected if they implement similar COM-based encryption mechanisms.", "supportingMedia": [{"type": "text/html", "value": "<p></p><p></p><p>A cookie encryption bypass vulnerability exists in Google Chrome\u2019s AppBound mechanism due to weak path validation logic within the elevation service. When Chrome encrypts a cookie key, it records its own executable path as validation metadata. Later, when decrypting, the elevation service compares the requesting process\u2019s path to this stored path. However, due to path canonicalization inconsistencies, an attacker can impersonate Chrome (e.g., by naming their binary <code>chrome.exe</code> and placing it in a similar path) and successfully retrieve the encrypted cookie key. This allows malicious processes to retrieve cookies intended to be restricted to the Chrome process only.</p><p>Confirmed in Google Chrome with AppBound Encryption enabled. Other Chromium-based browsers may be affected if they implement similar COM-based encryption mechanisms.<br></p>\n<p></p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-287", "description": "CWE-287 Improper Authentication"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-706", "description": "CWE-706 Use of Incorrectly-Resolved Name or Reference"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2025-07-02T19:25:35.752Z"}}}, "cveMetadata": {"cveId": "CVE-2025-34092", "state": "PUBLISHED", "dateUpdated": "2025-07-02T20:31:30.369Z", "dateReserved": "2025-04-15T19:15:22.551Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2025-07-02T19:25:35.752Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.1"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Rejected reason: Neither filed by Chrome nor a valid security vulnerability."}], "id": "CVE-2025-34092", "lastModified": "2025-07-24T07:15:53.130", "metrics": {}, "published": "2025-07-02T20:15:30.413", "references": [], "sourceIdentifier": "chrome-cve-admin@google.com", "vulnStatus": "Rejected"}

{}

{"created": "2025-07-06T22:16:24.213382+00:00", "updated": "2025-07-06T22:16:24.213451+00:00", "vendors": ["google", "google$PRODUCT$chrome"]}