CVE-2015-0291 Information

Description

The sigalgs implementation in t1_lib.c in OpenSSL 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) by using an invalid signature_algorithms extension in the ClientHello message during a renegotiation.

Reference

http://marc.info/?l=bugtraq&m=143748090628601&w=2 http://marc.info/?l=bugtraq&m=144050155601375&w=2 http://marc.info/?l=bugtraq&m=144050297101809&w=2 http://www.fortiguard.com/advisory/2015-03-24-openssl-vulnerabilities-march-2015 http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html http://www.securityfocus.com/bid/73235 http://www.securitytracker.com/id/1031929 https://bto.bluecoat.com/security-advisory/sa92 https://bugzilla.redhat.com/show_bug.cgi?id=1202338 https://git.openssl.org/?p=openssl.git;a=commit;h=76343947ada960b6269090638f5391068daee88d https://kc.mcafee.com/corporate/index?page=content&id=SB10110 https://security.gentoo.org/glsa/201503-11 https://www.openssl.org/news/secadv_20150319.txt