{"id":"CVE-2015-3193","details":"The Montgomery squaring implementation in crypto/bn/asm/x86_64-mont5.pl in OpenSSL 1.0.2 before 1.0.2e on the x86_64 platform, as used by the BN_mod_exp function, mishandles carry propagation and produces incorrect output, which makes it easier for remote attackers to obtain sensitive private-key information via an attack against use of a (1) Diffie-Hellman (DH) or (2) Diffie-Hellman Ephemeral (DHE) ciphersuite.","modified":"2026-04-10T03:45:14.367490Z","published":"2015-12-06T20:59:02Z","related":["SUSE-SU-2019:14246-1","openSUSE-SU-2024:10271-1","openSUSE-SU-2024:10529-1","openSUSE-SU-2024:11127-1"],"references":[{"type":"ADVISORY","url":"http://fortiguard.com/advisory/openssl-advisory-december-2015"},{"type":"ADVISORY","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759"},{"type":"ADVISORY","url":"http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761"},{"type":"ADVISORY","url":"http://openssl.org/news/secadv/20151203.txt"},{"type":"ADVISORY","url":"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151204-openssl"},{"type":"ADVISORY","url":"http://www.fortiguard.com/advisory/openssl-advisory-december-2015"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html"},{"type":"ADVISORY","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/78705"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/91787"},{"type":"ADVISORY","url":"http://www.securitytracker.com/id/1034294"},{"type":"ADVISORY","url":"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.539966"},{"type":"ADVISORY","url":"http://www.slackware.com/security/viewer.php?l=slackware-security&y=2015&m=slackware-security.754583"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2830-1"},{"type":"ADVISORY","url":"https://blog.fuzzing-project.org/31-Fuzzing-Math-miscalculations-in-OpenSSLs-BN_mod_exp-CVE-2015-3193.html"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1288317"},{"type":"ADVISORY","url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05398322"},{"type":"ADVISORY","url":"https://kb.isc.org/article/AA-01438"},{"type":"ADVISORY","url":"https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40100"},{"type":"FIX","url":"http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html"},{"type":"FIX","url":"http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html"},{"type":"FIX","url":"http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1288317"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf"},{"type":"WEB","url":"https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=d73cc256c8e256c32ed959456101b73ba9842f72"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}