{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-125404", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-09T22:03:16.617Z", "datePublished": "2026-11-09T23:28:05.658Z", "dateUpdated": "2026-11-09T23:28:05.658Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-09T23:28:05.658Z"}, "datePublic": "2026-11-06T00:00:00.000Z", "title": "Ettercap through 0.8.4.1 Stack Buffer Overflow via WPA CCMP Decryption", "descriptions": [{"lang": "en", "value": "Ettercap through 0.8.4.1 contains an integer underflow in ccmp_decrypt() in src/ec_encryption_ccmp.c that subtracts the 8-byte CCMP trailer without checking minimum length. Attackers on a network whose WPA key is loaded can send a short crafted CCMP frame to overflow a stack buffer in the Ettercap process, which normally runs as root."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Integer Underflow (Wrap or Wraparound)", "cweId": "CWE-191", "type": "CWE"}]}], "affected": [{"vendor": "Ettercap", "product": "ettercap", "packageURL": "pkg:github/Ettercap/ettercap", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "0.8.4.1", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/Ettercap/ettercap"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ettercap-project:ettercap:*:*:*:*:*:*:*:*", "versionEndIncluding": "0.8.4.1"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "attackVector": "ADJACENT", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/Ettercap/ettercap/security/advisories/GHSA-j37f-7jx3-rf8j", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-j37f-7jx3-rf8j)"}, {"url": "https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98", "tags": ["patch"]}, {"url": "https://github.com/Ettercap/ettercap/pull/1330", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_encryption_ccmp.c#L190-L203", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Ettercap through 0.8.4.1 Stack Buffer Overflow via WPA CCMP Decryption", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-stack-buffer-overflow-via-wpa-ccmp-decryption"}], "credits": [{"lang": "en", "value": "Adiel Sol, Arad Inbar, Erez Cohen, Nir Somech, Ben Grinberg, Daniel Lubel, Shir Sadon (DREAM Security Research Team)", "type": "finder"}, {"lang": "en", "value": "Emilio Escobar", "type": "remediation developer"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:github/Ettercap/ettercap", "product": "ettercap", "repo": "https://github.com/Ettercap/ettercap", "vendor": "Ettercap", "versions": [{"lessThanOrEqual": "0.8.4.1", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Ettercap through 0.8.4.1 contains an integer underflow in ccmp_decrypt() in src/ec_encryption_ccmp.c that subtracts the 8-byte CCMP trailer without checking minimum length. Attackers on a network whose WPA key is loaded can send a short crafted CCMP frame to overflow a stack buffer in the Ettercap process, which normally runs as root."}], "id": "CVE-2026-125404", "lastModified": "2026-11-10T00:17:15.040", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-10T00:17:15.040", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_encryption_ccmp.c#L190-L203"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Ettercap/ettercap/pull/1330"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/Ettercap/ettercap/security/advisories/GHSA-j37f-7jx3-rf8j"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-stack-buffer-overflow-via-wpa-ccmp-decryption"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-191"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,0.8.4.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ettercap", "source": "cna", "vendor": "Ettercap"}, "product": "ettercap", "vendor": "ettercap"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "ettercap", "vendor": "ettercap-project"}], "created": "2026-11-10T01:00:10.598441+00:00", "updated": "2026-11-10T01:15:07.890455+00:00", "vendors": ["ettercap", "ettercap$PRODUCT$ettercap", "ettercap-project", "ettercap-project$PRODUCT$ettercap"]}