CVEs-PoC/2015/CVE-2015-1787.md

CVE-2015-1787

Description

The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.

POC

Reference

• http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
• http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
• http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
• http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
• https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
• https://kc.mcafee.com/corporate/index?page=content&id=SB10110

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Live-Hack-CVE/CVE-2015-1787
• https://github.com/chnzzh/OpenSSL-CVE-lib