CVE-2016-6303

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

16/09/2016

Last modified:

12/04/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:nodejs:node.js::::::::		0.12.16 (excluding)
cpe:2.3:a:nodejs:node.js::::::::	4.0.0 (including)	4.6.0 (excluding)
cpe:2.3:a:nodejs:node.js::::::::	6.0.0 (including)	6.6.0 (excluding)
cpe:2.3:a:openssl:openssl:1.0.1:::::::*
cpe:2.3:a:openssl:openssl:1.0.1a:::::::*
cpe:2.3:a:openssl:openssl:1.0.1b:::::::*
cpe:2.3:a:openssl:openssl:1.0.1c:::::::*
cpe:2.3:a:openssl:openssl:1.0.1d:::::::*
cpe:2.3:a:openssl:openssl:1.0.1e:::::::*
cpe:2.3:a:openssl:openssl:1.0.1f:::::::*
cpe:2.3:a:openssl:openssl:1.0.1g:::::::*
cpe:2.3:a:openssl:openssl:1.0.1h:::::::*
cpe:2.3:a:openssl:openssl:1.0.1i:::::::*
cpe:2.3:a:openssl:openssl:1.0.1j:::::::*
cpe:2.3:a:openssl:openssl:1.0.1k:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:nodejs:node.js::::::::		0.12.16 (excluding)
cpe:2.3:a:nodejs:node.js::::::::	4.0.0 (including)	4.6.0 (excluding)
cpe:2.3:a:nodejs:node.js::::::::	6.0.0 (including)	6.6.0 (excluding)
cpe:2.3:a:openssl:openssl:1.0.1:::::::*
cpe:2.3:a:openssl:openssl:1.0.1a:::::::*
cpe:2.3:a:openssl:openssl:1.0.1b:::::::*
cpe:2.3:a:openssl:openssl:1.0.1c:::::::*
cpe:2.3:a:openssl:openssl:1.0.1d:::::::*
cpe:2.3:a:openssl:openssl:1.0.1e:::::::*
cpe:2.3:a:openssl:openssl:1.0.1f:::::::*
cpe:2.3:a:openssl:openssl:1.0.1g:::::::*
cpe:2.3:a:openssl:openssl:1.0.1h:::::::*
cpe:2.3:a:openssl:openssl:1.0.1i:::::::*
cpe:2.3:a:openssl:openssl:1.0.1j:::::::*
cpe:2.3:a:openssl:openssl:1.0.1k:::::::*

CVE-2016-6303

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools