Unspecified vulnerability in the Java DB component in Oracle Java SE and Java for Business 6 Update 23, and, and earlier allows local users to affect confidentiality via unknown vectors related to Security, a similar vulnerability to CVE-2009-4269.

The password hash generation algorithm in the BUILTIN authentication functionality for Apache Derby before 10.6.1.0 performs a transformation that reduces the size of the set of inputs to SHA-1, which produces a small search space that makes it easier for local and possibly remote attackers to crack passwords by generating hash collisions, related to password substitution.