Vulnerability Report

CVE-2016-6303

Title: Nodejs Node.Js RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2016-6303.

CWE Category CWE-787
Published Date Sep 16, 2016
Modified Date May 06, 2026
Exploit Status Not Found
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
28.82%

Vulnerability Summary

CVE-2016-6303: 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.

Impacted Vendors

O
openssl 1
R
redhat 1
H
hpe 1
N
nodejs 1
J
joyent 1

Reference Links

http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 http://www-01.ibm.com/support/docview.wss?uid=swg21995039 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 https://bto.bluecoat.com/security-advisory/sa132 https://bugzilla.redhat.com/show_bug.cgi?id=1370146 https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=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.tenable.com/security/tns-2016-16 https://www.tenable.com/security/tns-2016-20 https://www.tenable.com/security/tns-2016-21 http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759 http://www-01.ibm.com/support/docview.wss?uid=swg21995039 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 https://bto.bluecoat.com/security-advisory/sa132 https://bugzilla.redhat.com/show_bug.cgi?id=1370146 https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=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.tenable.com/security/tns-2016-16 https://www.tenable.com/security/tns-2016-20 https://www.tenable.com/security/tns-2016-21
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-6303 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.