CVE-2023-40492
Published: 03 May 2024
Summary
CVE-2023-40492 is a critical-severity Path Traversal (CWE-22) vulnerability in Lg Simple Editor. Its CVSS base score is 9.1 (Critical).
Operationally, ranked in the top 2.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2023-40492 is a directory traversal vulnerability in LG Simple Editor that permits arbitrary file deletion. The flaw resides in the deleteCheckSession method, which fails to validate a user-supplied path before performing file operations, and is tracked as ZDI-CAN-19919.
Remote attackers can exploit the issue without authentication to delete arbitrary files on affected installations, with the deletions occurring in the context of the SYSTEM account. The vulnerability carries a CVSS 3.1 score of 9.1 and is classified under CWE-22.
The referenced Zero Day Initiative advisory ZDI-23-1198 provides further details on the issue. The associated EPSS score has remained flat at a peak of 0.3985 with no material increase observed after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-45063
Vulnerability details
LG Simple Editor deleteCheckSession Directory Traversal Arbitrary File Deletion Vulnerability. This vulnerability allows remote attackers to delete arbitrary files on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the…
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deleteCheckSession method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to delete files in the context of SYSTEM. . Was ZDI-CAN-19919.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.