Platform
windows
Component
lg-simple-editor
Fixed in
3.21.1
CVE-2023-40494 describes a Directory Traversal vulnerability discovered in LG Simple Editor. This flaw allows unauthenticated attackers to delete arbitrary files on the affected system, potentially leading to data loss or system compromise. The vulnerability impacts versions 3.21.0 and earlier of LG Simple Editor, and a patch is expected from the vendor.
The impact of CVE-2023-40494 is significant due to the ability to delete arbitrary files with SYSTEM privileges. An attacker could leverage this vulnerability to delete critical system files, rendering the system unusable. They could also delete sensitive data, leading to data breaches and compliance violations. The lack of authentication required to exploit the vulnerability further increases the risk, as any unauthenticated user can potentially trigger the file deletion. This vulnerability shares similarities with other directory traversal exploits where improper path validation allows attackers to access or modify files outside of the intended directory.
CVE-2023-40494 was published on 2024-05-03. It is associated with ZDI-CAN-19921. The vulnerability's ease of exploitation, combined with the potential for SYSTEM-level file deletion, suggests a medium probability of exploitation. Public proof-of-concept exploits are not currently available, but the vulnerability's nature makes it likely that such exploits will emerge. No confirmed exploitation campaigns have been reported at this time.
Exploit Status
EPSS
39.85% (97% percentile)
CISA SSVC
CVSS Vector
The primary mitigation for CVE-2023-40494 is to upgrade to a patched version of LG Simple Editor as soon as it becomes available. Until a patch is released, consider restricting network access to the LG Simple Editor installation to prevent external exploitation. Implement strict file permissions to limit the potential damage from unauthorized file deletion. Monitor system logs for suspicious file deletion activity. While a WAF might not directly prevent this, it could be configured to detect and block requests containing potentially malicious path traversal sequences. After upgrading, verify the fix by attempting to access files outside the intended directory using a crafted request; the access should be denied.
Actualizar a una versión parcheada del LG Simple Editor, si está disponible. De lo contrario, desinstale el software para evitar la vulnerabilidad. Como medida de mitigación, evite abrir archivos de fuentes no confiables.
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CVE-2023-40494 is a Directory Traversal vulnerability in LG Simple Editor versions 3.21.0 and earlier, allowing attackers to delete arbitrary files with SYSTEM privileges.
You are affected if you are using LG Simple Editor version 3.21.0 or an earlier version. Upgrade to a patched version as soon as it becomes available.
The recommended fix is to upgrade to a patched version of LG Simple Editor. Until a patch is available, restrict network access and implement strict file permissions.
While no confirmed exploitation campaigns have been reported, the vulnerability's ease of exploitation suggests a potential for active exploitation.
Refer to the LG security advisory page for updates and the latest information regarding CVE-2023-40494.
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