Vulnerability Details : CVE-2023-42033
Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Visualware MyConnection Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed.
The specific flaw exists within the doPostUploadfiles 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 execute code in the context of root. Was ZDI-CAN-21612.
Vulnerability category: Directory traversalExecute code
Products affected by CVE-2023-42033
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Exploit prediction scoring system (EPSS) score for CVE-2023-42033
0.88%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-42033
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
Zero Day Initiative | 2024-05-03 |
CWE ids for CVE-2023-42033
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The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: zdi-disclosures@trendmicro.com (Secondary)
References for CVE-2023-42033
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https://myconnectionserver.visualware.com/support/security-advisories
MyConnection Server Security Bulletins and Advisories
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https://www.zerodayinitiative.com/advisories/ZDI-23-1396/
ZDI-23-1396 | Zero Day Initiative
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