This vulnerability allows remote attackers to execute arbitrary code on affected installations of Cisco UCS Director. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of tar files by the LargeFileUploadServlet endpoint. The issue results from the lack of proper validation of a user-supplied UNIX symbolic link prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of the tomcat service.
Affected Software | Affected Version | How to fix |
---|---|---|
Cisco UCS Director |
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The severity of ZDI-20-541 is critical due to the potential for remote code execution without authentication.
To fix ZDI-20-541, update to the latest version of Cisco UCS Director as specified in the security advisory.
Yes, ZDI-20-541 can be exploited without authentication, allowing attackers to execute arbitrary code remotely.
ZDI-20-541 affects installations of Cisco UCS Director that process tar files through the LargeFileUploadServlet endpoint.
ZDI-20-541 allows remote attackers to execute arbitrary code, which can lead to a complete compromise of the affected system.