Cryptographic issues in OpenSSL - CVE-2015-0285

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the ssl3_client_hello function in s3_clnt.c does not ensure that the PRNG is seeded before proceeding with a handshak. A remote attacker can gain unauthorized access to sensitive information on the system.

Affected software

How to mitigate CVE-2015-0285

External References

• https://www.openssl.org/news/secadv_20150319.txt
• https://bugzilla.redhat.com/show_bug.cgi?id=1202410
• https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=e1b568dd2462f7cacf98f3d117936c34e2849a6b
• http://www.securitytracker.com/id/1031929
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
• https://bto.bluecoat.com/security-advisory/sa92
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
• http://marc.info/?l=bugtraq&m=144050297101809&w=2
• http://marc.info/?l=bugtraq&m=143748090628601&w=2
• http://marc.info/?l=bugtraq&m=144050155601375&w=2
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
• http://www.securityfocus.com/bid/73234
• http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015
• https://security.gentoo.org/glsa/201503-11
• https://kc.mcafee.com/corporate/index?page=content&id=SB10110
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

Related Security Bulletins

• Multiple vulnerabilities in OpenSSL
• Multiple vulnerabilities in IBM FOS Firmware
• Multiple vulnerabilities in QLogic 8Gb Intelligent Pass-thru Module and SAN Switch Module for BladeCenter
• Gentoo update for OpenSSL