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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openssh:4.5:*:*:*:*:*:*:*", "matchCriteriaId": "9B72CFB3-39C7-469C-AA59-69F5B8993BF7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "packet.c in ssh in OpenSSH allows remote attackers to cause a denial of service (crash) by sending an invalid protocol sequence with USERAUTH_SUCCESS before NEWKEYS, which causes newkeys[mode] to be NULL."}, {"lang": "es", "value": "packet.c en ssh en OpenSSH permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda) mediante el env\u00edo de una secuencia de protocolo inv\u00e1lida con USERAUTH_SUCCESS antes de NEWKEYS, lo que provoca que newkeys[mode] sea nulo (NULL)."}], "id": "CVE-2006-4925", "lastModified": "2026-04-23T00:35:47.467", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2006-09-29T00:07:00.000", "references": [{"source": "secalert@redhat.com", "tags": ["Exploit", "Patch"], "url": "http://bugs.gentoo.org/show_bug.cgi?id=148228"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/22245"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/22298"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/22495"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/23038"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:179"}, {"source": "secalert@redhat.com", "url": "http://www.novell.com/linux/security/advisories/2006_24_sr.html"}, {"source": "secalert@redhat.com", "url": "http://www.novell.com/linux/security/advisories/2006_62_openssh.html"}, {"source": "secalert@redhat.com", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h"}, {"source": "secalert@redhat.com", "url": "http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/447153/100/0/threaded"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/archive/1/447861/100/200/threaded"}, {"source": "secalert@redhat.com", "url": "https://issues.rpath.com/browse/RPL-661"}, {"source": "secalert@redhat.com", "url": "https://issues.rpath.com/browse/RPL-681"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "http://bugs.gentoo.org/show_bug.cgi?id=148228"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/22245"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/22298"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/22495"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/23038"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDKSA-2006:179"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.novell.com/linux/security/advisories/2006_24_sr.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.novell.com/linux/security/advisories/2006_62_openssh.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/packet.c.diff?r1=1.144&r2=1.145&f=h"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.022-openssh.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/447153/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/447861/100/200/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://issues.rpath.com/browse/RPL-661"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://issues.rpath.com/browse/RPL-681"}], "sourceIdentifier": "secalert@redhat.com", "vendorComments": [{"comment": "Red Hat does not consider this flaw a security issue. 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