Description
The RdsLogsEntry servlet in SysAid Help Desk before 15.2 does not properly check file extensions, which allows remote attackers to upload and execute arbitrary files via a NULL byte after the extension, as demonstrated by a .war%00 file.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Metasploit 1 module
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SysAid Help Desk 'rdslogs' Arbitrary File Upload
exploit/multi/http/sysaid_rdslogs_file_upload
Exploit-DB 2
- SysAid Help Desk 'rdslogs' - Arbitrary File Upload (Metasploit) EDB-37667 · remote · Jul 21, 2015 · verified
- SysAid Help Desk 14.4 - Multiple Vulnerabilities EDB-43885 · webapps · Jun 10, 2015
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- http://www.rapid7.com/db/modules/exploit/multi/http/sysaid_rdslogs_file_upload
- 20150603 [Multiple CVE's]: various critical vulnerabilities in SysAid Help Desk (RCE, file download, DoS, etc) mailing-list
- 20150603 [Multiple CVE's]: various critical vulnerabilities in SysAid Help Desk (RCE, file download, DoS, etc) mailing-list
- http://packetstormsecurity.com/files/132138/SysAid-Help-Desk-14.4-Code-Execution-Denial-Of-Service-Traversal-SQL-Injection.html
- 75038 vdb-entry
- 37667 exploit
- https://www.sysaid.com/blog/entry/sysaid-15-2-your-voice-your-service-desk