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The DH_check_pub_key function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange - CVE-2016-0701

oval:org.cisecurity:def:3525

The DH_check_pub_key function in crypto/dh/dh_check.c in OpenSSL 1.0.2 before 1.0.2f does not ensure that prime numbers are appropriate for Diffie-Hellman (DH) key exchange which makes it easier for remote attackers to discover a private DH exponent by making multiple handshakes with a peer that chose an inappropriate number as demonstrated by a number in an X9.42 file.

Family:
windows
Status:
ACCEPTED
Platform(s):
  • Microsoft Windows Server 2016
  • Microsoft Windows 7
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows 10
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2012
  • Microsoft Windows 8.1
Class:
vulnerability
Reference(s):
  • CVE-2016-0701
Product(s):
  • OpenSSL