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OVAL

Divide-and-conquer key recovery attack vulnerability in the SSLv2 handshake in OpenSSL

ID: oval:org.secpod.oval:def:33161Date: (C)2016-03-02   (M)2018-01-22
Class: VULNERABILITYFamily: windows




The host is installed with OpenSSL 1.0.2, 1.0.1 before 1.0.1m, 1.0.0 before 1.0.0r or 0.9.8ze and earlier versions and is prone to a divide-and-conquer key recovery attack vulnerability. A flaw is present in the application, which fails to handle s2_srvr.c which do not enforce that clear-key-length is 0 for non-export ciphers. Successful exploitation allows remote attackers to use the server as an oracle to determine the SSLv2 master-key and leads to a more efficient version of DROWN that is effective against non-export ciphersuites.

Platform:
Microsoft Windows 7
Microsoft Windows Server 2003
Microsoft Windows Server 2008
Microsoft Windows Vista
Microsoft Windows XP
Microsoft Windows 8
Microsoft Windows 8.1
Microsoft Windows Server 2012 R2
Microsoft Windows Server 2008 R2
Microsoft Windows Server 2012
Microsoft Windows 10
Product:
OpenSSL
Reference:
CVE-2016-0703
CVE    1
CVE-2016-0703
CPE    54
cpe:/a:openssl:openssl:1.0.1i
cpe:/a:openssl:openssl:1.0.1h
cpe:/a:openssl:openssl:1.0.1k
cpe:/a:openssl:openssl:1.0.1j
...

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