Hancom Office Cell XLS File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Hancom Office Cell. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the parsing of XLS files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-20386.
                
            Metrics
Affected Vendors & Products
References
        | Link | Providers | 
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-23-1856/ | 
                     | 
            
History
                    Fri, 15 Aug 2025 21:00:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Hancom
         Hancom office Cell  | 
|
| CPEs | cpe:2.3:a:hancom:office_cell:11.0.0.7123:*:*:*:*:*:*:* | |
| Vendors & Products | 
        
        Hacom
         Hacom office Cell  | 
    
        
        Hancom
         Hancom office Cell  | 
Thu, 14 Aug 2025 16:00:00 +0000
| Type | Values Removed | Values Added | 
|---|---|---|
| First Time appeared | 
        
        Hacom
         Hacom office Cell  | 
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:2.3:a:hacom:office_cell:11.0.0.7123:*:*:*:*:*:*:* | |
| Vendors & Products | 
        
        Hacom
         Hacom office Cell  | 
|
| Metrics | 
        
        cvssV3_1
         
  | 
Status: PUBLISHED
Assigner: zdi
Published: 2024-05-03T02:14:50.354Z
Updated: 2024-08-02T22:09:49.812Z
Reserved: 2023-12-05T16:15:17.545Z
Link: CVE-2023-50234
Updated: 2024-08-02T22:09:49.812Z
Status : Analyzed
Published: 2024-05-03T03:16:12.590
Modified: 2025-08-15T20:45:54.927
Link: CVE-2023-50234
No data.