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CVE-2014-3569

Disclosure Date: December 24, 2014
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Description

The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 0.9.8zc, 1.0.0o, and 1.0.1j does not properly handle attempts to use unsupported protocols, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an unexpected handshake, as demonstrated by an SSLv3 handshake to a no-ssl3 application with certain error handling. NOTE: this issue became relevant after the CVE-2014-3568 fix.

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CVSS V3 Severity and Metrics
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Integrity (I):
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Availability (A):
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General Information

Vendors

  • openssl

Products

  • openssl 1.0.1j

References

Advisory

Additional Info

Technical Analysis