Plateforme
windows
Composant
lg-simple-editor
Corrigé dans
3.21.1
CVE-2023-40493 is a critical Remote Code Execution (RCE) vulnerability discovered in LG Simple Editor. This flaw allows unauthenticated attackers to execute arbitrary code on affected systems, potentially leading to complete system compromise. The vulnerability impacts versions 3.21.0 and earlier. A fix is expected from LG, and users are advised to monitor for updates.
The impact of CVE-2023-40493 is severe. Successful exploitation allows an attacker to execute arbitrary code with SYSTEM privileges, effectively granting them complete control over the affected machine. This could involve data theft, malware installation, or further lateral movement within the network. The lack of authentication requirements significantly lowers the barrier to entry for attackers, making this a high-priority vulnerability to address. The vulnerability's similarity to other directory traversal exploits suggests a potential for widespread exploitation if left unpatched.
CVE-2023-40493 was publicly disclosed on May 3, 2024. The vulnerability is considered critical due to the ease of exploitation and the potential for complete system compromise. Public proof-of-concept (PoC) code is likely to emerge, increasing the risk of exploitation. The vulnerability is not currently listed on the CISA KEV catalog, but its severity warrants close monitoring. The ZDI-CAN-19920 identifier suggests this vulnerability was reported through a coordinated disclosure program.
Organizations utilizing LG Simple Editor, particularly those with older versions (3.21.0 and prior), are at significant risk. Environments with limited network segmentation or weak access controls are especially vulnerable, as an attacker can easily exploit this vulnerability to gain a foothold on the system. Shared hosting environments where multiple users share the same LG Simple Editor installation are also at increased risk.
• windows / supply-chain:
Get-Process -Name "LGSimpleEditor*" | Select-Object -ExpandProperty Path• windows / supply-chain:
Get-ScheduledTask | Where-Object {$_.TaskName -like "LGSimpleEditor*"}• windows / supply-chain:
Get-WinEvent -LogName Application -Filter "EventID=1001 and Source='LG Simple Editor'" -MaxEvents 10• generic web:
curl -I http://<target_ip>/copySessionFolder?path=../../../../Windows/System32/cmd.exedisclosure
Statut de l'Exploit
EPSS
1.99% (percentile 84%)
CISA SSVC
Vecteur CVSS
The primary mitigation for CVE-2023-40493 is to upgrade to a patched version of LG Simple Editor as soon as it becomes available. Until a patch is released, consider implementing temporary workarounds. Restrict network access to the LG Simple Editor installation to only authorized users. Implement strict file access controls to limit the attacker's ability to write to sensitive locations. Monitor system logs for suspicious activity related to file operations and process creation. While a WAF or proxy cannot directly prevent this vulnerability, it can help detect and block malicious requests attempting to exploit it. After upgrading, verify the fix by attempting to trigger the copySessionFolder command with a malicious path and confirming that it is properly sanitized.
Actualizar a una versión parcheada del LG Simple Editor. No hay una versión fija disponible, por lo que se recomienda contactar al proveedor para obtener una solución o considerar alternativas.
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CVE-2023-40493 is a critical Remote Code Execution vulnerability in LG Simple Editor versions 3.21.0 and earlier. It allows attackers to execute arbitrary code without authentication due to a flaw in the copySessionFolder command.
You are affected if you are using LG Simple Editor version 3.21.0 or earlier. Upgrade to a patched version as soon as it becomes available to mitigate this risk.
The recommended fix is to upgrade to a patched version of LG Simple Editor. Monitor LG's website for updates and apply the patch as soon as possible.
While there are no confirmed reports of active exploitation at this time, the vulnerability's severity and ease of exploitation suggest it is likely to be targeted soon. Monitoring and mitigation are crucial.
Please refer to LG's official security advisory page for the latest information and updates regarding CVE-2023-40493. Check LG's support website for announcements.
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