{"id":"CVE-2023-7243","state":"PUBLISHED","title":"Ethercat Zeek Plugin Out-of-bounds Write","description":"\nIndustrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat \nZeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds \nwrite while analyzing specific Ethercat datagrams. This could allow an \nattacker to cause arbitrary code execution.\n\n\n\n","publishedAt":"2024-03-01T20:16:06.673Z","updatedAt":"2024-08-02T08:57:35.067Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"icscert"},"assigner":"icscert","products":["CISA Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek"],"affected":[{"vendor":"CISA","product":"Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"d78dda6","versionType":"custom"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/7xxx/CVE-2023-7243.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-7243","state":"PUBLISHED","datePublished":"2024-03-01T20:16:06.673Z","dateUpdated":"2024-08-02T08:57:35.067Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2024-02-01T17:21:11.190Z"},"containers":{"cna":{"title":"Ethercat Zeek Plugin Out-of-bounds Write","descriptions":[{"lang":"en","value":"\nIndustrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat \nZeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds \nwrite while analyzing specific Ethercat datagrams. This could allow an \nattacker to cause arbitrary code execution.\n\n\n\n"}],"affected":[{"vendor":"CISA","product":"Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"d78dda6","versionType":"custom"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2024-03-01T20:16:06.673Z"},"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Cameron Whitehead of HACK@UCF reported these vulnerabilities to CISA."}],"datePublic":"2024-02-20T20:11:00.000Z","solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\nCISA recommends that users update Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin to <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/cisagov/icsnpp-ethercat\">commit 3bca34c or later</a><span style=\"background-color: var(--wht);\">.</span><p>To help reduce successful exploitation, users are encouraged to keep \ncritical software updates and patches up to date in their system \nnetworks.</p>\n\n<br>"}],"value":"CISA recommends that users update Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin to  commit 3bca34c or later https://github.com/cisagov/icsnpp-ethercat .To help reduce successful exploitation, users are encouraged to keep \ncritical software updates and patches up to date in their system \nnetworks.\n\n\n\n\n"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"cisa","product":"icsnpp-ethercat","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"d78dda6","versionType":"custom"}],"cpes":["cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-03-04T14:43:10.655479Z","id":"CVE-2023-7243","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-07T14:58:28.259Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-24-051-02","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T08:57:35.067Z"}}]}}}