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OpenSSL Race condition in ssl_parse_serverhello_tlsext (CVE-2014-3509)

Severity CVSS Published Added Modified
7 (AV:N/AC:M/Au:N/C:P/I:P/A:P) August 08, 2014 August 08, 2014 January 09, 2017

Description

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

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References

Solution

http-openssl-1_0_0-upgrade-1_0_0_n

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