{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2018-25285", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-26T13:07:40.876Z", "datePublished": "2026-04-26T13:19:16.485Z", "dateUpdated": "2026-04-26T13:19:16.485Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-26T13:19:16.485Z"}, "datePublic": "2018-08-28T00:00:00.000Z", "title": "Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow", "descriptions": [{"lang": "en", "value": "Fathom 2.4 contains a buffer overflow vulnerability in the Authorization Code field that allows local attackers to crash the application by submitting an oversized input string. Attackers can paste a 6000-byte payload into the Authorization Code field and click Activate to trigger a denial of service condition."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')", "cweId": "CWE-120", "type": "CWE"}]}], "affected": [{"vendor": "Fathom", "product": "Fathom", "versions": [{"version": "2.4", "status": "affected"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 6.8, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://www.exploit-db.com/exploits/45294", "name": "ExploitDB-45294", "tags": ["exploit"]}, {"url": "https://fathom.concord.org/", "name": "Official Product Homepage", "tags": ["product"]}, {"url": "https://fathom.concord.org/download/", "name": "Product Reference", "tags": ["product"]}, {"name": "VulnCheck Advisory: Fathom 2.4 Denial of Service via Authorization Code Buffer Overflow", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/fathom-denial-of-service-via-authorization-code-buffer-overflow"}], "credits": [{"lang": "en", "value": "Gionathan \"John\" Reale", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}}}

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