CVE-2011-5094
Mozilla Network Security Services 3.x - Denial of Service via Client-Initiated Renegotiation
Title source: llmDescription
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
References (10)
Core 10
Core References
Various Sources mailing-list
x_refsource_mlist
http://www.ietf.org/mail-archive/web/tls/current/msg07567.html
Various Sources mailing-list
x_refsource_mlist
http://www.ietf.org/mail-archive/web/tls/current/msg07577.html
Various Sources mailing-list
x_refsource_mlist
http://www.ietf.org/mail-archive/web/tls/current/msg07576.html
Various Sources x_refsource_misc
http://vincent.bernat.im/en/blog/2011-ssl-dos-mitigation.html
Issue Tracking x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=707065
Various Sources x_refsource_misc
http://www.educatedguesswork.org/2011/10/ssltls_and_computational_dos.html
Mailing List mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2011/07/08/2
Various Sources x_refsource_misc
http://orchilles.com/2011/03/ssl-renegotiation-dos.html
Various Sources mailing-list
x_refsource_mlist
http://www.ietf.org/mail-archive/web/tls/current/msg07553.html
Various Sources mailing-list
x_refsource_mlist
http://www.ietf.org/mail-archive/web/tls/current/msg07564.html
Scores
EPSS
0.0271
EPSS Percentile
84.3%
Details
Status
published
Products (23)
mozilla/network_security_services
3.2
mozilla/network_security_services
3.2.1
mozilla/network_security_services
3.3
mozilla/network_security_services
3.3.1
mozilla/network_security_services
3.3.2
mozilla/network_security_services
3.4
mozilla/network_security_services
3.4.1
mozilla/network_security_services
3.4.2
mozilla/network_security_services
3.5
mozilla/network_security_services
3.6
... and 13 more
Published
Jun 16, 2012
Tracked Since
Feb 18, 2026