CVE-2016-6303

critical-risk
Published 2016-09-16

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.

Do I need to act?

!
28.8% chance of exploitation in next 30 days
EPSS score — higher than 71% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
+
Fix available
Upgrade to: 0ad4bbd94af535d9b70f64fff28652f23b05c403, 57ca7390d03372b99d9cf8563c75a3895d93a6e6, 0a3ad92292505bebe6d3139c90d8ba79a7a00141
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Nodejs Openssl

References (38)

Third Party Advisory http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Third Party Advisory http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Patch http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
Patch http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
Patch http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
Patch http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
Patch http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
Third Party Advisory http://www.securityfocus.com/bid/92984
Third Party Advisory http://www.securitytracker.com/id/1036885
Third Party Advisory https://bto.bluecoat.com/security-advisory/sa132
Issue Tracking 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=55d83bf7c10c7b205fffa23fa7...
Third Party Advisory https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312
Third Party Advisory https://nodejs.org/en/blog/vulnerability/september-2016-security-releases/
Third Party Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-16:26.openssl.asc
Third Party Advisory https://www.tenable.com/security/tns-2016-16
Third Party Advisory https://www.tenable.com/security/tns-2016-20
Third Party Advisory https://www.tenable.com/security/tns-2016-21
Third Party Advisory http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
and 18 more references
70
/ 100
critical-risk
Severity 32/34 · Critical
Exploitability 15/34 · Moderate
Exposure 23/34 · High