{"id":"CVE-2017-2388","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-2388","generatedAt":"2026-10-28T22:10:22.466Z","title":"It allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.","description":"An issue was discovered in certain Apple products. macOS before 10.12.4 is affected. The issue involves the \"IOFireWireFamily\" component. It allows attackers to cause a denial of service (NULL pointer dereference) via a crafted app.","published":"2017-04-02T01:59:01.000Z","lastModified":"2026-06-17T01:16:06.000Z","status":"Modified","sourceIdentifier":"product-security@apple.com","cvss":{"version":"3.0","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["apple/mac os x"],"epss":{"score":0.03605,"percentile":0.89411,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.05616,"percentile":0.92629},{"date":"2026-09-22","score":0.03605,"percentile":0.88953}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-08-16","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":44236,"kind":"exploit","title":"Apple macOS Sierra 10.12.3 - 'IOFireWireFamily-null-deref' FireWire Port Denial of Service","url":"https://www.exploit-db.com/exploits/44236","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/macos/dos/44236.c","file":"exploits/macos/dos/44236.c","published":"2017-08-16","added":"2018-03-03","updated":"2018-03-03","author":"Brandon Azad","type":"dos","platform":"macos","port":null,"verified":false,"codes":["CVE-2017-2388"],"tags":null,"aliases":"IOFireWireFamily-null-deref.c","applicationUrl":null,"screenshotUrl":null,"referenceUrl":"https://github.com/bazad/IOFireWireFamily-null-deref/tree/ecfae9e873289a54ba09e3e585a041d3167e2fde"}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 3.6%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/97140","tags":["Third Party Advisory","VDB Entry"],"source":"product-security@apple.com"},{"url":"http://www.securitytracker.com/id/1038138","source":"product-security@apple.com"},{"url":"https://support.apple.com/HT207615","tags":["Vendor Advisory"],"source":"product-security@apple.com"},{"url":"http://www.securityfocus.com/bid/97140","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038138","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/HT207615","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-2388","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}