CVE-2023-40496: Directory Traversal in LG Simple Editor
Platform
windows
Component
lg-simple-editor
Fixed in
3.21.1
CVE-2023-40496 is a directory traversal vulnerability affecting LG Simple Editor versions 3.21.0 and earlier. This flaw allows unauthenticated remote attackers to disclose sensitive information by manipulating file paths. The vulnerability stems from inadequate input validation within the copyStickerContent command. A patch is available to address this issue.
Impact and Attack Scenarios
Successful exploitation of CVE-2023-40496 allows an attacker to read arbitrary files on the system where LG Simple Editor is installed. Given the vulnerability's SYSTEM context, this could expose critical configuration files, sensitive data, or even executable code. The lack of authentication significantly lowers the barrier to entry for attackers, making this a potentially widespread risk. While no direct precedent is explicitly mentioned, similar directory traversal vulnerabilities have historically led to complete system compromise.
Exploitation Context
CVE-2023-40496 was publicly disclosed on 2024-05-03. The vulnerability was initially reported as ZDI-CAN-19923. The vulnerability's ease of exploitation (no authentication required) and potential for information disclosure suggest a medium probability of exploitation. No active campaigns or public exploits have been confirmed at the time of this writing, but the lack of authentication makes it a likely target for opportunistic attackers.
Threat Intelligence
Exploit Status
EPSS
19.15% (95% percentile)
CISA SSVC
CVSS Vector
What do these metrics mean?
- Attack Vector
- Network — remotely exploitable over the internet. No physical or local access required. Widest attack surface.
- Attack Complexity
- Low — no special conditions required. Attacker can exploit reliably without depending on rare configurations or timing.
- Privileges Required
- None — unauthenticated. No login or credentials needed to exploit.
- User Interaction
- None — attack is automatic and silent. Victim does nothing: no click, no file open.
- Scope
- Unchanged — impact is limited to the vulnerable component itself.
- Confidentiality
- High — complete confidentiality loss. Attacker can read all data: credentials, keys, personal data.
- Integrity
- None — no integrity impact. Attacker cannot modify data.
- Availability
- None — no availability impact. Service remains fully operational.
Affected Software
Weakness Classification (CWE)
Timeline
- Reserved
- Published
- Modified
- EPSS updated
Mitigation and Workarounds
The primary mitigation for CVE-2023-40496 is to upgrade to a patched version of LG Simple Editor. Since a specific fixed version isn't provided, check the LG security advisories for the latest release. As a temporary workaround, restrict network access to the LG Simple Editor installation to only trusted sources. Consider implementing file system access controls to limit the potential damage from a successful exploit. After upgrade, confirm the vulnerability is resolved by attempting to access a restricted file via the copyStickerContent command and verifying access is denied.
How to fix
Actualizar a una versión parcheada del LG Simple Editor. No hay una versión específica mencionada en el CVE, por lo que se recomienda contactar al proveedor para obtener una versión corregida o dejar de utilizar el software.
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Frequently asked questions
What is CVE-2023-40496 — Directory Traversal in LG Simple Editor?
CVE-2023-40496 is a directory traversal vulnerability in LG Simple Editor versions 3.21.0 and earlier, allowing attackers to disclose sensitive files.
Am I affected by CVE-2023-40496 in LG Simple Editor?
You are affected if you are using LG Simple Editor version 3.21.0 or an earlier version. Check LG's security advisories for the latest version.
How do I fix CVE-2023-40496 in LG Simple Editor?
Upgrade to a patched version of LG Simple Editor. Consult LG's security advisories for the latest release and installation instructions.
Is CVE-2023-40496 being actively exploited?
While no active campaigns have been confirmed, the vulnerability's ease of exploitation makes it a potential target for attackers.
Where can I find the official LG advisory for CVE-2023-40496?
Refer to LG's official security advisories and support website for information regarding CVE-2023-40496 and available patches.
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