CVE-2011-4091

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{"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:o:opensuse:opensuse:11.3:*:*:*:*:*:*:*", "matchCriteriaId": "5646FDE9-CF21-46A9-B89D-F5BBDB4249AF", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*", "matchCriteriaId": "DE554781-1EB9-446E-911F-6C11970C47F4", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:solaris:11.2:*:*:*:*:*:*:*", "matchCriteriaId": "0B1C288F-326B-497B-B26C-D26E01262DDB", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:armin_burgmeier:net6:*:*:*:*:*:*:*:*", "matchCriteriaId": "B580F7EF-BD7D-464F-ADEF-C387353D1C7A", "versionEndIncluding": "1.3.13", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "75B0D417-BF61-45D1-AC4C-8E4753250BB4", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "F3E379A0-1F9E-46EF-8189-43D22BC5FA00", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "71AD53FD-CF00-4D25-B8E0-738324135815", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.4:*:*:*:*:*:*:*", "matchCriteriaId": "EB3767D8-BF27-4DA6-B630-BAE0EF2D80CD", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.5:*:*:*:*:*:*:*", "matchCriteriaId": "E44789AE-A92A-49E1-B820-C8208458D72F", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.6:*:*:*:*:*:*:*", "matchCriteriaId": "FD774656-6E58-4CC5-8D52-4D3D0EC2C4B1", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.7:*:*:*:*:*:*:*", "matchCriteriaId": "5E21AE2C-493D-44CC-8B17-A55E1FEDD39B", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.8:*:*:*:*:*:*:*", "matchCriteriaId": "AABB6CDB-27E1-4B59-8A72-D0D644929AA7", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.9:*:*:*:*:*:*:*", "matchCriteriaId": "FD481E91-BBA1-474F-B5A0-EF3B145412A0", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.10:*:*:*:*:*:*:*", "matchCriteriaId": "DDA498A1-D08C-4AA3-8849-6CCBBE306277", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.11:*:*:*:*:*:*:*", "matchCriteriaId": "1C46815A-FF74-4C27-8AA6-6422FE4F695F", "vulnerable": true}, {"criteria": "cpe:2.3:a:armin_burgmeier:net6:1.3.12:*:*:*:*:*:*:*", "matchCriteriaId": "6A425163-5F20-4980-93B9-B433F0F79FD6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The libobby server in inc/server.hpp in libnet6 (aka net6) before 1.3.14 does not perform authentication before checking the user name, which allows remote attackers to obtain sensitive information such as server-usage patterns by a particular user and color preferences."}, {"lang": "es", "value": "El servidor de libobby en inc/server.hpp en libnet6 (tambi\u00e9n conocido como net6) anterior a 1.3.14 no realiza autenticaci\u00f3n antes de comprobar el nombre de usuario, lo que permite a atacantes remotos obtener informaci\u00f3n sensible tal como patrones de uso del servidor de un usuario especifico y preferencias de color."}], "id": "CVE-2011-4091", "lastModified": "2026-06-16T23:34:24.470", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-02-10T18:15:09.060", "references": [{"source": "secalert@redhat.com", "url": "http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=84afca022f063f89bfcd4bb32b1ee911f555abf1%3Bhp=ac61d7fb42a1f977fb527e024bede319c4a9e169"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.html"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.html"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/10/31/1"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.novell.com/show_bug.cgi?id=727708"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=750632"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.0x539.de/?p=net6.git%3Ba=commitdiff%3Bh=84afca022f063f89bfcd4bb32b1ee911f555abf1%3Bhp=ac61d7fb42a1f977fb527e024bede319c4a9e169"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2012-01/msg00044.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-updates/2012-01/msg00054.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2011/10/31/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party 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