CVE-2011-1756

{"id": "CVE-2011-1756", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "published": "2011-06-21T02:52:43.607", "references": [{"url": "http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog", "source": "secalert@redhat.com"}, {"url": "http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog", "source": "secalert@redhat.com"}, {"url": "http://secunia.com/advisories/44788", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz", "tags": ["Patch"], "source": "secalert@redhat.com"}, {"url": "http://www.debian.org/security/2011/dsa-2250", "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/48071", "source": "secalert@redhat.com"}, {"url": "http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=27c991cc2059f5530d3d4e9689dc976b745f5b0c", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://code.citadel.org/cgit.cgi/git.citadel.org/commit/?id=95040add546a705cc2d1d8f16293141f9f9845a6", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.37-8+lenny1/changelog", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packages.debian.org/changelogs/pool/main/c/citadel/citadel_7.83-2squeeze2/changelog", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://secunia.com/advisories/44788", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://security.debian.org/debian-security/pool/updates/main/c/citadel/citadel_7.83-2squeeze2.diff.gz", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2011/dsa-2250", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/48071", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-399"}]}], "descriptions": [{"lang": "en", "value": "modules/xmpp/serv_xmpp.c in Citadel 7.86 and earlier does not properly detect recursion during entity expansion, which allows remote 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": "El archivo modules/xmpp/serv_xmpp.c en Citadel versi\u00f3n 7.86 y anteriores, no detectan apropiadamente la recursi\u00f3n durante la expansi\u00f3n de la entidad, lo que permite a los atacantes remotos causar una denegaci\u00f3n de servicio (consumo de memoria y CPU) por medio de un documento XML especialmente dise\u00f1ado que contiene un gran n\u00famero de referencias de entidades anidadas, un problema similar a CVE-2003-1564."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:citadel:citadel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "407C3B23-6D35-4B96-8CC8-639AD6966893", "versionEndIncluding": "7.86"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.11:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA3E5264-B914-4223-B86F-EA9EB2EFD052"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.50:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8C08D806-1A55-4396-A87F-E8B9A75B8996"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.60:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2038578C-B143-4B2F-B037-026F9DE3A59C"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.80:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "04636EB6-6611-4DAF-AA52-5AA63495F719"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.81:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9665946-772A-47DD-B8C9-9E745311B4CA"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.82:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B6F5975-23E2-473D-BA8E-C51D564AA2F7"}, {"criteria": "cpe:2.3:a:citadel:citadel:7.84:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EAF1B236-2550-4F40-9352-1C845688D320"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}