{ "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2011-5094", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "** DISPUTED ** Mozilla Network Security Services (NSS) 3.x, with certain settings of the SSL_ENABLE_RENEGOTIATION option, does not properly restrict client-initiated renegotiation within the SSL and TLS protocols, which might make it easier for remote attackers to cause a denial of service (CPU consumption) by performing many renegotiations within a single connection, a different vulnerability than CVE-2011-1473. NOTE: it can also be argued that it is the responsibility of server deployments, not a security library, to prevent or limit renegotiation when it is inappropriate within a specific environment." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html", "refsource": "MISC", "url": "http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html" }, { "name": "[tls] 20110315 Re: SSL Renegotiation DOS", "refsource": "MLIST", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07567.html" }, { "name": "[tls] 20110318 Re: SSL Renegotiation DOS", "refsource": "MLIST", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07577.html" }, { "name": "https://bugzilla.redhat.com/show_bug.cgi?id=707065", "refsource": "MISC", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=707065" }, { "name": "http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html", "refsource": "MISC", "url": "http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html" }, { "name": "[oss-security] 20110708 SSL renegotiation DoS CVE-2011-1473", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2011/07/08/2" }, { "name": "[tls] 20110318 Re: SSL Renegotiation DOS", "refsource": "MLIST", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07576.html" }, { "name": "http://orchilles.com/2011/03/ssl-renegotiation-dos.html", "refsource": "MISC", "url": "http://orchilles.com/2011/03/ssl-renegotiation-dos.html" }, { "name": "[tls] 20110315 SSL Renegotiation DOS", "refsource": "MLIST", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07553.html" }, { "name": "[tls] 20110315 Re: SSL Renegotiation DOS", "refsource": "MLIST", "url": "http://www.ietf.org/mail-archive/web/tls/current/msg07564.html" } ] } }