{ "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" : "[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] 20110315 Re: SSL Renegotiation DOS", "refsource" : "MLIST", "url" : "http://www.ietf.org/mail-archive/web/tls/current/msg07564.html" }, { "name" : "[tls] 20110315 Re: SSL Renegotiation DOS", "refsource" : "MLIST", "url" : "http://www.ietf.org/mail-archive/web/tls/current/msg07567.html" }, { "name" : "[tls] 20110315 SSL Renegotiation DOS", "refsource" : "MLIST", "url" : "http://www.ietf.org/mail-archive/web/tls/current/msg07553.html" }, { "name" : "[tls] 20110318 Re: SSL Renegotiation DOS", "refsource" : "MLIST", "url" : "http://www.ietf.org/mail-archive/web/tls/current/msg07576.html" }, { "name" : "[tls] 20110318 Re: SSL Renegotiation DOS", "refsource" : "MLIST", "url" : "http://www.ietf.org/mail-archive/web/tls/current/msg07577.html" }, { "name" : "http://orchilles.com/2011/03/ssl-renegotiation-dos.html", "refsource" : "MISC", "url" : "http://orchilles.com/2011/03/ssl-renegotiation-dos.html" }, { "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" : "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" : "https://bugzilla.redhat.com/show_bug.cgi?id=707065", "refsource" : "MISC", "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=707065" } ] } }