The HPInfoDLL.HPInfo.1 ActiveX control in HPInfoDLL.dll 1.0, as shipped with HP Info Center (hpinfocenter.exe) 1.0.1.1 in HP Quick Launch Button (QLBCTRL.exe, aka QLB) 6.3 and earlier, on Microsoft Windows before Vista allows remote attackers to create or modify arbitrary registry values via the arguments to the SetRegValue method.

The HPInfoDLL.HPInfo.1 ActiveX control in HPInfoDLL.dll 1.0, as shipped with HP Info Center (hpinfocenter.exe) 1.0.1.1 in HP Quick Launch Button (QLBCTRL.exe, aka QLB) 6.3 and earlier, allows remote attackers to read arbitrary registry values via the arguments to the GetRegValue method.

Dallas Semiconductor iButton DS1991 returns predictable values when given an incorrect password, which makes it easier for users with physical access to conduct dictionary attacks against the device password.