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             AUSCERT External Security Bulletin Redistribution             
                                                                           
                               ESB-2024.2170                               
                  FortiOS - Format String in CLI command                   
                               10 April 2024                               
                                                                           
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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           FortiOS                                                 
Publisher:         Fortinet                                                
Operating System:  Fortinet                                                
Resolution:        Patch/Upgrade                                           
CVE Names:         CVE-2023-48784                                          

Original Bulletin:
   https://fortiguard.fortinet.com/psirt/FG-IR-23-413

Comment: CVSS (Max):  6.1 CVE-2023-48784 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R)
         CVSS Source: Fortinet                                             
         Calculator:  https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R


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FortiOS - Format String in CLI command

IR Number    : FG-IR-23-413
Date         : Apr 9, 2024
Component    : CLI
Severity     : Medium
CVSSv3 Score : 6.1
Impact       : Execute unauthorized code or commands
CVE ID       : CVE-2023-48784

Summary

A use of externally-controlled format string vulnerability [CWE-134] in FortiOS
command line interface may allow a local privileged attacker with super-admin
profile and CLI access to execute arbitrary code or commands via specially
crafted requests.

Version     | Affected            | Solution                  
FortiOS 7.4 | 7.4.0 through 7.4.1 | Upgrade to 7.4.2 or above 
FortiOS 7.2 | 7.2.0 through 7.2.7 | Upgrade to 7.2.8 or above 
FortiOS 7.0 | 7.0 all versions    | Migrate to a fixed release
FortiOS 6.4 | 6.4 all versions    | Migrate to a fixed release

Follow the recommended upgrade path using our tool at: https://
docs.fortinet.com/upgrade-tool

Acknowledgement

Fortinet is pleased to thank Michael Messner and Benedikt Kuhne from Siemens
Energy for bringing this issue to our attention under responsible disclosure.

Timeline

2024-04-09: Initial publication

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