Description
Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attackers to execute arbitrary code via a long string in the second argument to the ConnecttoServer method.
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
- BlueSkyChat ActiveX Control 8.1.2 - Remote Buffer Overflow EDB-30441 · remote · Jul 31, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20070731 CAL-20070730-1 BlueSkyCat ActiveX Remote Heap Overflow vulnerability mailing-list
- blueskychat-v2-bo(35699) vdb-entry
- 25149 vdb-entry
- 20070731 CAL-20070730-1 BlueSkyCat ActiveX Remote Heap Overflow vulnerability mailing-list
- http://codeaudit.blogspot.com/
- http://www.vulnhunt.com/advisories/CAL-20070730-1_BlueSkyCat_v2.ocx_ActiveX_remote_heap_overflow_vulnerability_en.txt
- 2959 third-party-advisory