CVE-2009-2473

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2009-08-18T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "neon before 0.28.6, when expat is used, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-09-18T12:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "[neon] 20090818 neon: release 0.28.6 (SECURITY)", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001044.html"}, {"name": "oval:org.mitre.oval:def:9461", "tags": ["vdb-entry", "signature", "x_refsource_OVAL"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.apple.com/kb/HT4435"}, {"name": "SUSE-SR:2009:018", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html"}, {"name": "ADV-2009-2341", "tags": ["vdb-entry", "x_refsource_VUPEN"], "url": "http://www.vupen.com/english/advisories/2009/2341"}, {"name": "MDVSA-2009:221", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:221"}, {"name": "APPLE-SA-2010-11-10-1", "tags": ["vendor-advisory", "x_refsource_APPLE"], "url": "http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html"}, {"name": "RHSA-2013:0131", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "http://rhn.redhat.com/errata/RHSA-2013-0131.html"}, {"name": "36371", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/36371"}, {"name": "FEDORA-2009-8815", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.html"}, {"name": "FEDORA-2009-8794", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.html"}, {"name": "neon-xml-dos(52633)", "tags": ["vdb-entry", "x_refsource_XF"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52633"}, {"name": "[neon] 20090818 CVE-2009-2473: fix for \"billion laughs\" attack against expat", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001045.html"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T05:52:14.763Z"}, "title": "CVE Program Container", "references": [{"name": "[neon] 20090818 neon: release 0.28.6 (SECURITY)", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001044.html"}, {"name": "oval:org.mitre.oval:def:9461", "tags": ["vdb-entry", "signature", "x_refsource_OVAL", "x_transferred"], "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.apple.com/kb/HT4435"}, {"name": "SUSE-SR:2009:018", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html"}, {"name": "ADV-2009-2341", "tags": ["vdb-entry", "x_refsource_VUPEN", "x_transferred"], "url": "http://www.vupen.com/english/advisories/2009/2341"}, {"name": "MDVSA-2009:221", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:221"}, {"name": "APPLE-SA-2010-11-10-1", "tags": ["vendor-advisory", "x_refsource_APPLE", "x_transferred"], "url": "http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html"}, {"name": "RHSA-2013:0131", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "http://rhn.redhat.com/errata/RHSA-2013-0131.html"}, {"name": "36371", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/36371"}, {"name": "FEDORA-2009-8815", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.html"}, {"name": "FEDORA-2009-8794", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.html"}, {"name": "neon-xml-dos(52633)", "tags": ["vdb-entry", "x_refsource_XF", "x_transferred"], "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52633"}, {"name": "[neon] 20090818 CVE-2009-2473: fix for \"billion laughs\" attack against expat", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001045.html"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2009-2473", "datePublished": "2009-08-21T17:00:00.000Z", "dateReserved": "2009-07-15T00:00:00.000Z", "dateUpdated": "2024-08-07T05:52:14.763Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:webdav:neon:0.28.6:*:*:*:*:*:*:*", "matchCriteriaId": "632E9CF9-8652-4FCB-B387-467B137C8CC7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "neon before 0.28.6, when expat is used, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564."}, {"lang": "es", "value": "neon, en versiones anteriores a la 0.28.6, cuando se usa expat, no detecta adecuadamente la recursividad en la expansi\u00f3n de una entidad, esto permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (consumo de la memoria y CPU), mediante un documento XML manipulado que contiene un gran n\u00famero de referencias anidadas a entidades, una cuesti\u00f3n similar a CVE-2003-1564."}], "id": "CVE-2009-2473", "lastModified": "2026-06-16T23:09:31.587", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2009-08-21T17:30:00.327", "references": [{"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html"}, {"source": "secalert@redhat.com", "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001044.html"}, {"source": "secalert@redhat.com", "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001045.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2013-0131.html"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36371"}, {"source": "secalert@redhat.com", "url": "http://support.apple.com/kb/HT4435"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:221"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/2341"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52633"}, {"source": "secalert@redhat.com", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.html"}, {"source": "secalert@redhat.com", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001044.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.manyfish.co.uk/pipermail/neon/2009-August/001045.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.opensuse.org/opensuse-security-announce/2009-11/msg00004.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2013-0131.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://secunia.com/advisories/36371"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://support.apple.com/kb/HT4435"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:221"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.vupen.com/english/advisories/2009/2341"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52633"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9461"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00924.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00945.html"}], "sourceIdentifier": "secalert@redhat.com", "vendorComments": [{"comment": "Updated neon packages for Red Hat Enterprise Linux 4 and 5 were released via:\nhttps://rhn.redhat.com/errata/RHSA-2009-1452.html\n\nEmbedded copy of the neon library is included in the versions of gnome-vfs2 packages as shipped with Red Hat Enteprise Linux 4 and Red Hat Enteprise Linux 5. The Red Hat Security Response Team has rated this issue as having low security impact on gnome-vfs2, future updates may address this flaw.", "lastModified": "2009-09-22T00:00:00", "organization": "Red Hat"}], "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2009:1452", "cpe": "cpe:/o:redhat:enterprise_linux:4", "package": "neon-0:0.24.7-4.el4_8.2", "product_name": "Red Hat Enterprise Linux 4", "release_date": "2009-09-21T00:00:00Z"}, {"advisory": "RHSA-2009:1452", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "neon-0:0.25.5-10.el5_4.1", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2009-09-21T00:00:00Z"}, {"advisory": "RHSA-2013:0131", "cpe": "cpe:/o:redhat:enterprise_linux:5", "impact": "low", "package": "gnome-vfs2-0:2.16.2-10.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2013-01-08T00:00:00Z"}], "bugzilla": {"description": "neon: billion laughs DoS attack", "id": "518215", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518215"}, "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": ["neon before 0.28.6, when expat is used, does not properly detect recursion during entity expansion, which allows context-dependent attackers to cause a denial of service (memory and CPU consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564."], "name": "CVE-2009-2473", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:4", "fix_state": "Will not fix", "impact": "low", "package_name": "gnome-vfs2", "product_name": "Red Hat Enterprise Linux 4"}], "public_date": "2009-08-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2009-2473\nhttps://nvd.nist.gov/vuln/detail/CVE-2009-2473"], "threat_severity": "Moderate"}

{}