{"id":"CVE-2017-7397","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-7397","generatedAt":"2026-10-28T20:57:04.010Z","title":"BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7).","description":"BackBox Linux 4.6 allows remote attackers to cause a denial of service (ksoftirqd CPU consumption) via a flood of packets with Martian source IP addresses (as defined in RFC 1812 section 5.3.7). This product enables net.ipv4.conf.all.log_martians by default.  NOTE: the vendor reports \"It has been proved that this vulnerability has no foundation and it is totally fake and based on false assumptions.","published":"2017-04-03T20:59:00.000Z","lastModified":"2026-06-17T01:24:16.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-400"],"affected":["backbox/backbox linux"],"epss":{"score":0.11066,"percentile":0.95893,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.08999,"percentile":0.95098},{"date":"2026-09-22","score":0.11066,"percentile":0.95719}]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2017-04-02","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":41781,"kind":"exploit","title":"BackBox OS - Denial of Service","url":"https://www.exploit-db.com/exploits/41781","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/dos/41781.c","file":"exploits/linux/dos/41781.c","published":"2017-04-02","added":"2017-04-02","updated":"2017-04-03","author":"FarazPajohan","type":"dos","platform":"linux","port":null,"verified":false,"codes":["CVE-2017-7397"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 11.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.11066,"from":0.08999,"percentile":0.95719},"summary":"EPSS moved from 9.0% to 11.1% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.exploitalert.com/view-details.html?id=26361","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://backbox.org/portal/blog/false-cve-backbox-46-unmasked","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://cxsecurity.com/issue/WLB-2017040001","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/41781/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.exploitalert.com/view-details.html?id=26361","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://backbox.org/portal/blog/false-cve-backbox-46-unmasked","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cxsecurity.com/issue/WLB-2017040001","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://forum.backbox.org/security-advisories/waiting-verification-backbox-os-denial-of-service/msg10218","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/41781/","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-7397","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."}