Apple Xcode before 4.4 does not properly compose a designated requirement (DR) during signing of programs that lack bundle identifiers, whi…

Apple Xcode before 4.4 does not properly compose a designated requirement (DR) during signing of programs that lack bundle identifiers, which allows remote attackers to read keychain entries via a crafted app, as demonstrated by the keychain entries of a (1) helper tool or (2) command-line tool.