JVN#29939155: Self-Extracting Archives created by File Compact may insecurely load Dynamic Link Libraries

File Compact provided by SOURCENEXT CORPORATION is compression/decompression software. It can also create self-extracting archive files. Self-extracting archive files created by File Compact contain an issue with the DLL search path, which may lead to insecurely loading Dynamic Link Libraries (CWE-427).

Impact

Arbitrary code may be executed with the privilege of the user invoking a vulnerable self-extracting archive file.

Solution

Update File Compact and Recreate Self-Extracting Archive files
Update to the latest version according to the information provided by the developer, and recreate self-extracting archive files.
According to developer, self-extracting archives created by the following software versions are not affected.

• File Compact Ver.5 version 5.11
• File Compact Ver.6 version 6.03
• File Compact Ver.7 version 7.03

Products Affected

The self-extracting archive files created by following software are affected:

• File Compact Ver.5 version 5.10 and earlier
• File Compact Ver.6 version 6.02 and earlier
• File Compact Ver.7 version 7.02 and earlier
  【Updated on February 16, 2018】
  This advisory was first published on July 10, 2017. At that point it stated that the affected products were “File Compact Ver.5 version 5.09 and earlier.” “File Compact Ver.6 version 6.01 and earlier” and “File Compact Ver.7 version 7.01 and earlier”. However, the updated versions, “File Compact Ver.5 version 5.10”, “File Compact Ver.6 version 6.02” and “File Compact Ver.7 version 7.02” contained insufficient fixes. [Products Affected] has been updated to reflect this.