Description
The RPC service in mediasvr.exe in CA BrightStor ARCserve Backup 11.5 SP2 build 4237 allows remote attackers to execute arbitrary code via crafted xdr_handle_t data in RPC packets, which is used in calculating an address for a function call, as demonstrated using the 191 (0xbf) RPC request.
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.
Exploit-DB 1
- CA BrightStor Backup 11.5.2.0 - 'Mediasvr.exe' Remote Code EDB-3604 · remote · Mar 29, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1017830 vdb-entry
- http://www.shirkdog.us/shk-004.html
- 20070329 CA Brightstor Backup Mediasvr.exe Remote Code Vulnerability mailing-list
- http://supportconnectw.ca.com/public/storage/infodocs/babmedser-secnotice.asp
- http://www.shirkdog.us/camediasvrremote.py
- brightstor-mediasvr-bo(33316) vdb-entry
- 24682 third-party-advisory
- VU#151305 third-party-advisory
- 23209 vdb-entry
- 2509 third-party-advisory
- 20070331 CA BrightStor ARCserve Backup Mediasvr.exe vulnerability mailing-list
- 20070330 CA Brightstor Backup Mediasvr.exe Remote Code Vulnerability mailing-list
- ADV-2007-1161 vdb-entry