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before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method."}, {"lang": "es", "value": "El servidor SMTP en Postfix anterior a v2.5.13, v2.6.x anterior a v2.6.10, v2.7.x anterior a v2.7.4, y v2.8.x anterior a v2.8.3, cuando ciertos m\u00e9todos Cyrus SASL de autenticaci\u00f3n son activados, no crea un nuevo manejador de servidor despu\u00e9s de que la autentificaci\u00f3n falle, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (corrupci\u00f3n de memoria libre y ca\u00edda de demonio) o posiblemente ejecutar c\u00f3digo de su elecci\u00f3n a tra\u00b4ves de un comando AUTH no v\u00e1lido con un m\u00e9todo seguido por un comando AUTH con un m\u00e9todo diferente."}], "id": "CVE-2011-1720", "lastModified": "2023-11-07T02:07:04.983", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-05-13T17:05:43.207", "references": [{"source": "cve@mitre.org", "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00002.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/44500"}, {"source": "cve@mitre.org", "url": "http://security.gentoo.org/glsa/glsa-201206-33.xml"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/8247"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2011/dsa-2233"}, {"source": "cve@mitre.org", "tags": ["US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/727230"}, {"source": "cve@mitre.org", "url": "http://www.mail-archive.com/postfix-announce%40postfix.org/msg00007.html"}, {"source": "cve@mitre.org", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2011:090"}, {"source": "cve@mitre.org", "url": "http://www.osvdb.org/72259"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.postfix.org/CVE-2011-1720.html"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.postfix.org/announcements/postfix-2.8.3.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/517917/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Patch"], "url": "http://www.securityfocus.com/bid/47778"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id?1025521"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/usn-1131-1"}, {"source": "cve@mitre.org", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=699035"}, {"source": "cve@mitre.org", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67359"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank CERT/CC for reporting this issue.", "affected_release": [{"advisory": "RHSA-2011:0843", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "postfix-2:2.2.10-1.5.el4", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2011-05-31T00:00:00Z"}, {"advisory": "RHSA-2011:0843", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "postfix-2:2.3.3-2.3.el5_6", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2011-05-31T00:00:00Z"}, {"advisory": "RHSA-2011:0843", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "postfix-2:2.6.6-2.2.el6_1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2011-05-31T00:00:00Z"}], "bugzilla": {"description": "(smtpd): Crash due to improper management of SASL handlers for SMTP sessions", "id": "699035", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=699035"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "details": ["The SMTP server in Postfix before 2.5.13, 2.6.x before 2.6.10, 2.7.x before 2.7.4, and 2.8.x before 2.8.3, when certain Cyrus SASL authentication methods are enabled, does not create a new server handle after client authentication fails, which allows remote attackers to cause a denial of service (heap memory corruption and daemon crash) or possibly execute arbitrary code via an invalid AUTH command with one method followed by an AUTH command with a different method."], "name": "CVE-2011-1720", "public_date": "2011-05-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2011-1720\nhttps://nvd.nist.gov/vuln/detail/CVE-2011-1720"], "threat_severity": "Moderate"}