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{"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"}]}], "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 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"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. 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{"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"}