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Secunia Network Software Inspector 2.0 (NSI) - Public Beta

The Public Beta has ended. Thanks to all that participated.

Learn more:
http://secunia.com/network_software_inspector_2/

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TITLE:
OpenSSL Two Denial of Service Vulnerabilities

SECUNIA ADVISORY ID:
SA30405

VERIFY ADVISORY:
http://secunia.com/advisories/30405/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

SOFTWARE:
OpenSSL 0.9.x
http://secunia.com/product/253/

DESCRIPTION:
Two vulnerabilities have been reported in OpenSSL, which can be
exploited by malicious people to cause a DoS (Denial of Service).

1) A double-free error in the handling of server name extension data
can be exploited to crash a server application using OpenSSL.

Successful exploitation requires that OpenSSL is compiled using the
TLS server name extensions.

2) An unspecified error can be exploited by a malicious server to
crash a client application when the "Server Key exchange message" is
omitted from a TLS handshake.

The vulnerabilities are reported in versions 0.9.8f and 0.9.8g.

SOLUTION:
Update to version 0.9.8h.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Codenomicon.

ORIGINAL ADVISORY:
http://www.openssl.org/news/secadv_20080528.txt

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