CVE-2023-42033
Visualware MyConnection Server doPostUploadfiles Directory Traversal Remote Code Execution Vulnerability.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.2 HIGHCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.23% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- visualware/myconnection server
- Source
- zdi-disclosures@trendmicro.com
References
- https://myconnectionserver.visualware.com/support/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1396/Third Party Advisory
- https://myconnectionserver.visualware.com/support/security-advisoriesVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-23-1396/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.