Security Advisories

FSC-2014-3: Memory Dump Information Leak


Decrypted information is stored in plaintext in process memory.

Affected Products

  • Risk Level (Low/Medium/High/Cricital) Medium
  • F-Secure Key


  • Risk Level (Low/Medium/High/Cricital) Medium
  • Windows 
  • Mac OS X

More Information

After gaining access to the victim's computer and performing a memory dump operation, it was found that decrypted user information is kept in the system memory in plaintext format. A successful exploitation of this would result in the attacker gaining access to victim's sensitive information such as stored passwords.

Mitigating Factor

An attacker will need to gain access to victim's computer prior to exploiting the vulnerability.

Fix Available

Product Versions Fix
F-Secure Key for Windows 1.5.145 Upgrade to version 1.5.145 or download the latest client from
F-Secure Key for Windows 1.5.146 Upgrade to version 1.5.146 or download the latest client from


F-Secure Corporation would like to thank Mr. Joonas Viskari for bringing this issue to our attention.

Date Issued: 2014-05-09
Date Last Updated: 2014-05-09