CVE-2011-3210
The ephemeral ECDH ciphersuite functionality in OpenSSL 0.9.8 through 0.9.8r and 1.0.x before 1.0.0e does not ensure thread safety during processing of handshake messages from clients, which allows remote attackers to cause a denial of service (daemon…
Does this matter?
Lower severity and a low EPSS score (4.56%). Track it; it rarely justifies an emergency change on its own.
Description
The ephemeral ECDH ciphersuite functionality in OpenSSL 0.9.8 through 0.9.8r and 1.0.x before 1.0.0e does not ensure thread safety during processing of handshake messages from clients, which allows remote attackers to cause a denial of service (daemon crash) via out-of-order messages that violate the TLS protocol.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 4.56% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- openssl/openssl
- Source
- secalert@redhat.com
References
- http://cvs.openssl.org/chngview?cn=21337Patch
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://marc.info/?l=bugtraq&m=132750648501816&w=2
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://openssl.org/news/secadv_20110906.txtVendor Advisory
- http://secunia.com/advisories/57353
- http://support.apple.com/kb/HT5784
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:137
- http://www.securitytracker.com/id?1026012
- https://bugzilla.redhat.com/show_bug.cgi?id=736079
- http://cvs.openssl.org/chngview?cn=21337Patch
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://marc.info/?l=bugtraq&m=132750648501816&w=2
- http://marc.info/?l=bugtraq&m=133226187115472&w=2
- http://openssl.org/news/secadv_20110906.txtVendor Advisory
- http://secunia.com/advisories/57353
- http://support.apple.com/kb/HT5784
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:137
- http://www.securitytracker.com/id?1026012
- https://bugzilla.redhat.com/show_bug.cgi?id=736079
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.