{"id":"CVE-2017-17090","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17090","generatedAt":"2026-10-28T21:18:30.083Z","title":"An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older.","description":"An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.","published":"2017-12-02T00:29:00.000Z","lastModified":"2026-06-17T01:10:20.000Z","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-459"],"affected":["digium/certified asterisk","digium/asterisk"],"epss":{"score":0.82196,"percentile":0.99654,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.78069,"percentile":0.99566},{"date":"2026-09-22","score":0.81511,"percentile":0.99623}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2018-02-07","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":43992,"kind":"exploit","title":"Asterisk 13.17.2 - 'chan_skinny' Remote Memory Corruption","url":"https://www.exploit-db.com/exploits/43992","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/multiple/dos/43992.py","file":"exploits/multiple/dos/43992.py","published":"2018-02-07","added":"2018-02-07","updated":"2018-02-07","author":"Juan Sacco","type":"dos","platform":"multiple","port":2000,"verified":true,"codes":["CVE-2017-17090","AST-2017-01"],"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 82.2%, higher than 100% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"http://downloads.digium.com/pub/security/AST-2017-013.html","tags":["Vendor Advisory"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/102023","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1039948","source":"cve@mitre.org"},{"url":"https://issues.asterisk.org/jira/browse/ASTERISK-27452","tags":["Issue Tracking","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html","source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2017/dsa-4076","source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/43992/","source":"cve@mitre.org"},{"url":"http://downloads.digium.com/pub/security/AST-2017-013.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/102023","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1039948","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://issues.asterisk.org/jira/browse/ASTERISK-27452","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2017/dsa-4076","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/43992/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17090","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."}