CVE-2015-0285

The ssl3_client_hello function in s3_clnt.c in OpenSSL 1.0.2 before 1.0.2a does not ensure that the PRNG is seeded before proceeding with a handshake, which makes it easier for remote attackers to defeat cryptographic protection mechanisms by sniffing the network and then conducting a brute-force attack.

• CWE-310

• http://marc.info/?l=bugtraq&m=143748090628601&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=144050155601375&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=144050297101809&w=2Mailing List, Third Party Advisory
• http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlPatch, Third Party Advisory
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.htmlThird Party Advisory
• http://www.securityfocus.com/bid/73234Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1031929Third Party Advisory, VDB Entry
• https://bto.bluecoat.com/security-advisory/sa92Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1202410Issue Tracking, Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=e1b568dd2462f7cacf98f3d117936c34e2849a6b
• https://kc.mcafee.com/corporate/index?page=content&id=SB10110Third Party Advisory
• https://security.gentoo.org/glsa/201503-11Third Party Advisory
• https://www.openssl.org/news/secadv_20150319.txtVendor Advisory
• http://marc.info/?l=bugtraq&m=143748090628601&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=144050155601375&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=bugtraq&m=144050297101809&w=2Mailing List, Third Party Advisory
• http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015Third Party Advisory
• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.htmlPatch, Third Party Advisory
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.htmlThird Party Advisory
• http://www.securityfocus.com/bid/73234Third Party Advisory, VDB Entry
• http://www.securitytracker.com/id/1031929Third Party Advisory, VDB Entry
• https://bto.bluecoat.com/security-advisory/sa92Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1202410Issue Tracking, Third Party Advisory
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=e1b568dd2462f7cacf98f3d117936c34e2849a6b
• https://kc.mcafee.com/corporate/index?page=content&id=SB10110Third Party Advisory
• https://security.gentoo.org/glsa/201503-11Third Party Advisory
• https://www.openssl.org/news/secadv_20150319.txtVendor Advisory

Published

Mar 19, 2015

Last Modified

Jun 17, 2026

Status

Modified

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