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OpenSSL: TLS Ephemeral ECDH Crashes (20110906) (Windows)
Information
Severity
Severity
Medium
Family
Family
Denial of Service
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
OpenSSL is prone to TLS ephemeral ECDH crashes.
Insight
Insight
OpenSSL server code for ephemeral ECDH ciphersuites is not thread-safe, and furthermore can crash if a client violates the protocol by sending handshake messages in incorrect order.
Affected Software
Affected Software
OpenSSL 0.9.8 through 0.9.8r and 1.0.0 through 1.0.0d.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 1.0.0e or later.