{ "id": "CVE-2022-27255", "sourceIdentifier": "cve@mitre.org", "published": "2022-08-01T12:15:08.357", "lastModified": "2024-11-21T06:55:30.270", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In Realtek eCos RSDK 1.5.7p1 and MSDK 4.9.4p1, the SIP ALG function that rewrites SDP data has a stack-based buffer overflow. This allows an attacker to remotely execute code without authentication via a crafted SIP packet that contains malicious SDP data." }, { "lang": "es", "value": "En Realtek eCos RSDK versi\u00f3n 1.5.7p1 y MSDK versi\u00f3n 4.9.4p1, la funci\u00f3n SIP ALG que reescribe los datos SDP presenta un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria. Esto permite a un atacante ejecutar c\u00f3digo de forma remota sin autenticaci\u00f3n por medio de un paquete SIP dise\u00f1ado que contenga datos SDP maliciosos" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "baseScore": 7.5, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL" }, "baseSeverity": "HIGH", "exploitabilityScore": 10.0, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:realtek:ecos_rsdk_firmware:1.5.7p1:*:*:*:*:*:*:*", "matchCriteriaId": "3CBE0A3F-8E2C-4298-9D31-3231EA2A7811" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:realtek:ecos_rsdk:-:*:*:*:*:*:*:*", "matchCriteriaId": "21C73A0B-BD03-40CC-866A-5F426C47FCC3" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:realtek:ecos_msdk_firmware:4.9.4p1:*:*:*:*:*:*:*", "matchCriteriaId": "CA3FBD15-3C42-4E42-927B-95DAB0C19A57" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:realtek:ecos_msdk:-:*:*:*:*:*:*:*", "matchCriteriaId": "DB33169C-4A57-4559-A0EA-9632BB16E0AD" } ] } ] } ], "references": [ { "url": "https://forum.defcon.org/node/241835", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://forum.defcon.org/node/241835", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.realtek.com/images/safe-report/Realtek_APRouter_SDK_Advisory-CVE-2022-27255.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }