Entreprise d'experts en Sécurité Informatique : Audits et conseils en cybersécurité
Entreprise française de cybersécurité depuis 2004
☎ 03 60 47 09 81 - info@securiteinfo.com


CVE-2011-5094

Description

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

POC

Reference

- http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html

- http://www.ietf.org/mail-archive/web/tls/current/msg07553.html

Github

- https://github.com/ARPSyndicate/cvemon

- https://github.com/Nissiuser/Vulnerability-Scan-Report

- https://github.com/aaronamran/Vulnerability-Scanning-Lab-with-OpenVAS-and-Metasploitable2

- https://github.com/chnzzh/OpenSSL-CVE-lib

- https://github.com/shashank181034/Task3ElevateLabs