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OpenSSL SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG ciphersuite downgrade (CVE-2010-4180)

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OpenSSL SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG ciphersuite downgrade (CVE-2010-4180)

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
12/06/2010
Created
07/25/2018
Added
12/06/2010
Modified
06/03/2016

Description

OpenSSL before 0.9.8q, and 1.0.x before 1.0.0c, when SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG is enabled, does not properly prevent modification of the ciphersuite in the session cache, which allows remote attackers to force the downgrade to an unintended cipher via vectors involving sniffing network traffic to discover a session identifier.

Solution(s)

  • http-openssl-0_9_8-upgrade-0_9_8_q
  • http-openssl-1_0_0-upgrade-1_0_0_c

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