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CVE-2016-6303

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.

POC

Reference

- 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

- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf

- https://hackerone.com/reports/221785

- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40312

- https://www.tenable.com/security/tns-2016-20

Github

- https://github.com/ARPSyndicate/cve-scores

- https://github.com/ARPSyndicate/cvemon

- https://github.com/RClueX/Hackerone-Reports

- https://github.com/Samaritin/OSINT

- https://github.com/akaganeite/CVE4PP

- https://github.com/chnzzh/OpenSSL-CVE-lib

- https://github.com/imhunterand/hackerone-publicy-disclosed

- https://github.com/pankajkryadav/Hacktivity

- https://github.com/tomwillfixit/alpine-cvecheck