#VU86 Man-in-the-middle attack in Sun products - CVE-2015-4000

Vulnerability identifier: #VU86

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Green

CVE-ID: CVE-2015-4000

CWE-ID: CWE-300

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerable software:
HPE Service Manager
Oracle Solaris
Oracle Directory Server Enterprise Edition
Oracle GlassFish Server
Oracle OpenSSO
Oracle Traffic Director
Sun ONE/iPlanet Web Server
SPARC Enterprise M3000
SPARC Enterprise M4000
SPARC Enterprise M5000
SPARC Enterprise M8000
SPARC Enterprise M9000
Oracle Secure Global Desktop

Software vendor:
Hewlett Packard Enterprise Development LP
Oracle
Sun

The vulnerability allows a remote attacker to decrypt TLS connections in certain situations.

The vulnerability exists due to boundary error when parsing HTTP requests. A remote unauthenticated attacker can conduct a man-in-the-middle attack that can lead to the target system to downgrade the Diffie-Hellman algorithm to 512-bit export-grade cryptography.

Successful exploitation of this vulnerability may result in modification of authentication information

Install upgrated versions at:

http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05193083

• http://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05193083
• http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
• http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
• http://www.oracle.com/technetwork/topics/security/cpuapr2016-2881694.html