Zero-Day Advisory

Fortinet Discovers Sweetscape 010Editor Memory Corruption Vulnerability


Fortinet's FortiGuard Labs has discovered a memory corruption vulnerability in Sweetscape 010Editor.

010Editor is a commercial hex editor and text editor for Microsoft Windows, Linux and macOS. Typically 010Editor is used to edit text files, binary files, tagged data, source code, shell scripts, log files, etc.

A memory corruption vulnerability has been discovered in SweetScape 010Editor 9.0.2. The vulnerability exists because the vulnerable software can't correctly parse a crafted binary file when receiving a Ctrl+A event. It could lead to arbitrary code execution.


FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

Released Oct 16, 2019

Users should apply the solution provided by SweetScape Systems.


Fortinet reported the vulnerability to SweetScape Systems on November 28, 2019

SweetScape Systems confirmed the vulnerability on November 29, 2019

SweetScape Systems patched the vulnerability on December 06, 2019


This vulnerability was discovered by Kexu Wang of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.