CVE-2016-6307 Information

Description

The state-machine implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length which might allow remote attackers to cause a denial of service (memory consumption) via crafted TLS messages related to statem/statem.c and statem/statem_lib.c.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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/93152 http://www.securitytracker.com/id/1036885 http://www-01.ibm.com/support/docview.wss?uid=swg21995039 https://bto.bluecoat.com/security-advisory/sa132 https://git.openssl.org/?p=openssl.git;a=commit;h=4b390b6c3f8df925dc92a3dd6b022baa9a2f4650 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

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9