{"id":"CVE-2025-58447","state":"PUBLISHED","title":"rAthena has heap-based buffer overflow in login server","description":"rAthena is an open-source cross-platform massively multiplayer online role playing game (MMORPG) server. Versions prior to commit 2f5248b have a heap-based buffer overflow in the login server, remote attacker to overwrite adjacent session fields by sending a crafted `CA_SSO_LOGIN_REQ` with an oversized token length. This leads to immediate denial of service (crash) and it is possible to achieve remote code execution via heap corruption. Commit 2f5248b fixes the issue.","publishedAt":"2025-09-09T22:11:03.376Z","updatedAt":"2025-09-10T19:30:07.516Z","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":"GitHub_M"},"assigner":"GitHub_M","products":["rathena rathena"],"affected":[{"vendor":"rathena","product":"rathena","versions":[{"version":"< 2f5248b","status":"affected"}]}],"references":["https://github.com/rathena/rathena/security/advisories/GHSA-4p33-6xqr-cm6x","https://github.com/rathena/rathena/commit/2f5248b9cd9a8c6b42422ddecfc4cc2cd0e69e4b"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:09:39.787Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/58xxx/CVE-2025-58447.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-58447","state":"PUBLISHED","datePublished":"2025-09-09T22:11:03.376Z","dateUpdated":"2025-09-10T19:30:07.516Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-09-01T20:03:06.533Z"},"containers":{"cna":{"title":"rAthena has heap-based buffer overflow in login server","descriptions":[{"lang":"en","value":"rAthena is an open-source cross-platform massively multiplayer online role playing game (MMORPG) server. Versions prior to commit 2f5248b have a heap-based buffer overflow in the login server, remote attacker to overwrite adjacent session fields by sending a crafted `CA_SSO_LOGIN_REQ` with an oversized token length. This leads to immediate denial of service (crash) and it is possible to achieve remote code execution via heap corruption. Commit 2f5248b fixes the issue."}],"affected":[{"vendor":"rathena","product":"rathena","versions":[{"version":"< 2f5248b","status":"affected"}]}],"references":[{"url":"https://github.com/rathena/rathena/security/advisories/GHSA-4p33-6xqr-cm6x","name":"https://github.com/rathena/rathena/security/advisories/GHSA-4p33-6xqr-cm6x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/rathena/rathena/commit/2f5248b9cd9a8c6b42422ddecfc4cc2cd0e69e4b","name":"https://github.com/rathena/rathena/commit/2f5248b9cd9a8c6b42422ddecfc4cc2cd0e69e4b","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2025-09-09T22:12:17.534Z"},"source":{"advisory":"GHSA-4p33-6xqr-cm6x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-10T19:29:58.880314Z","id":"CVE-2025-58447","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":"2025-09-10T19:30:07.516Z"}}]}}}