Buffer overflow in Node.js
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.320 (98.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 98.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.320 · newest: 0.320 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/tns-2016-20 (Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html (Patch, Third Party Advisory)
- kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312 (Third Party Advisory)
- www-01.ibm.com/support/docview.wss (Third Party Advisory)
- www.securitytracker.com/id/1036885 (VDB Entry, Third Party Advisory, vdb-entry)
- www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html (Patch, Third Party Advisory)
- nodejs.org/en/blog/vulnerability/september-2016-security-releases/ (Third Party Advisory)
- www.tenable.com/security/tns-2016-16 (Third Party Advisory)
- www.tenable.com/security/tns-2016-21 (Third Party Advisory)
- www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-6303?
- CVE-2016-6303 is a critical-severity vulnerability in Node.js, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2016-09-16.
- How severe is CVE-2016-6303?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-6303 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.