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

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

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
08/08/2014
Created
07/25/2018
Added
08/08/2014
Modified
01/09/2017

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.

Solution(s)

  • http-openssl-1_0_0-upgrade-1_0_0_n
  • http-openssl-1_0_1-upgrade-1_0_1_i

References

  • http-openssl-1_0_0-upgrade-1_0_0_n
  • http-openssl-1_0_1-upgrade-1_0_1_i

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