Unspecified vulnerability in the Oracle Installed Base component in Oracle E-Business Suite 12.1.1, 12.1.2, 12.1.3, 12.2.3, 12.2.4, and 12.2.5 allows remote attackers to affect integrity via vectors related to Engineering Change Order. NOTE: the previous information is from the July 2016 CPU. Oracle has not commented on third-party claims that this issue involves an open redirect vulnerability, which allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via unspecified vectors.