CVE-2016-6303 Information

Description

Integer overflow in the MDC2_Update function in crypto/mdc2/mdc2dgst.c in OpenSSL before 1.1.0 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly have unspecified other impact via unknown vectors.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html http://www.securityfocus.com/bid/92984 http://www.securitytracker.com/id/1036885 http://www-01.ibm.com/support/docview.wss?uid=swg21995039 https://bto.bluecoat.com/security-advisory/sa132 https://bugzilla.redhat.com/show_bug.cgi?id=1370146 https://git.openssl.org/?p=openssl.git;a=commit;h=55d83bf7c10c7b205fffa23fa7c3977491e56c07 https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/ https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc https://www.openssl.org/news/secadv/20160922.txt https://www.tenable.com/security/tns-2016-16 https://www.tenable.com/security/tns-2016-20 https://www.tenable.com/security/tns-2016-21

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8