{"id":"CVE-2018-25427","state":"PUBLISHED","title":"Arm Whois 3.11 Buffer Overflow via SEH Overwrite","description":"Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input.","publishedAt":"2026-06-01T21:00:18.785Z","updatedAt":"2026-06-02T13:15:13.086Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["Armcode Arm Whois"],"affected":[{"vendor":"Armcode","product":"Arm Whois","versions":[{"version":"3.11","status":"affected"}]}],"references":["https://www.exploit-db.com/exploits/45796","http://www.armcode.com/","http://www.armcode.com/downloads/arm-whois.exe","https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-seh-overwrite"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T19:44:44.295Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/25xxx/CVE-2018-25427.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2018-25427","state":"PUBLISHED","datePublished":"2026-06-01T21:00:18.785Z","dateUpdated":"2026-06-02T13:15:13.086Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-05-31T12:54:31.247Z"},"containers":{"cna":{"title":"Arm Whois 3.11 Buffer Overflow via SEH Overwrite","descriptions":[{"lang":"en","value":"Arm Whois 3.11 contains a stack-based buffer overflow vulnerability that allows remote attackers to execute arbitrary code by supplying oversized input to the IP address or domain field. Attackers can craft malicious input exceeding 658 bytes with shellcode to overwrite the structured exception handler and gain command execution when the application processes the input."}],"affected":[{"vendor":"Armcode","product":"Arm Whois","versions":[{"version":"3.11","status":"affected"}]}],"references":[{"url":"https://www.exploit-db.com/exploits/45796","name":"ExploitDB-45796","tags":["exploit"]},{"url":"http://www.armcode.com/","name":"Official Product Homepage","tags":["product"]},{"url":"http://www.armcode.com/downloads/arm-whois.exe","name":"Product Reference","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/arm-whois-buffer-overflow-via-seh-overwrite","name":"VulnCheck Advisory: Arm Whois 3.11 Buffer Overflow via SEH Overwrite","tags":["third-party-advisory"]}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS"},{"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"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-121","lang":"en","description":"Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-06-01T21:00:18.785Z"},"datePublic":"2018-11-05T00:00:00.000Z","credits":[{"lang":"en","value":"Yair Rodríguez Aparicio (0-day DoS exploit), Semen Alexandrovich Lyhin (1-day fully working exploit)","type":"finder"}],"x_generator":{"engine":"vulncheck"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-02T13:15:04.846769Z","id":"CVE-2018-25427","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":"2026-06-02T13:15:13.086Z"}}]}}}