CVE-2016-2563

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PuTTY/PSCP <=0.66 buffer overflow - vuln-pscp-sink-sscanf", "tags": ["mailing-list", "x_refsource_FULLDISC"], "url": "http://seclists.org/fulldisclosure/2016/Mar/22"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-2563", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "openSUSE-SU-2016:1453", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html"}, {"name": "1035257", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1035257"}, {"name": "GLSA-201606-01", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201606-01"}, {"name": "84296", "refsource": "BID", "url": "http://www.securityfocus.com/bid/84296"}, {"name": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html", "refsource": "CONFIRM", "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html"}, {"name": "https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563", "refsource": "MISC", "url": "https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563"}, {"name": "20160309 CVE-2016-2563 - 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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:9bis:kitty:*:*:*:*:*:*:*:*", "matchCriteriaId": "479C8AD6-8701-4170-9065-1B4F96CC81F1", "versionEndIncluding": "0.66.6.3", "vulnerable": true}, {"criteria": "cpe:2.3:a:simon_tatham:putty:*:*:*:*:*:*:*:*", "matchCriteriaId": "090C55DB-A0E2-4281-8A96-C8CB7291F6D1", "versionEndIncluding": "0.66", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack-based buffer overflow in the SCP command-line utility in PuTTY before 0.67 and KiTTY 0.66.6.3 and earlier allows remote servers to cause a denial of service (stack memory corruption) or execute arbitrary code via a crafted SCP-SINK file-size response to an SCP download request."}, {"lang": "es", "value": "Desbordamiento de buffer basado en pila en la utilidad comando-l\u00ednea de SCP en PuTTY en versiones anteriores a 0.67 y KiTTY 0.66.6.3 y versiones anteriores permite a servidores remotos causar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria de pila) o ejecutar c\u00f3digo arbitrario a trav\u00e9s de una respuesta de tam\u00f1o de archivo SCP-SINK a una petici\u00f3n de descarga SCP."}], "id": "CVE-2016-2563", "lastModified": "2026-06-17T00:44:18.253", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-04-07T23:59:07.657", "references": [{"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html"}, {"source": "cve@mitre.org", "url": "http://seclists.org/fulldisclosure/2016/Mar/22"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/bid/84296"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035257"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201606-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00131.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2016/Mar/22"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-pscp-sink-sscanf.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/84296"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035257"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-2563"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201606-01"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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