Description
The Windows Animated Cursor (ANI) capability in Windows NT, Windows 2000 through SP4, Windows XP through SP1, and Windows 2003 allow remote attackers to cause a denial of service via (1) the frame number set to zero, which causes an invalid memory address to be used and leads to a kernel crash, or (2) the rate number set to zero, which leads to resource exhaustion and hang.
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
- Microsoft Windows Kernel - '.ANI' File Parsing Crash EDB-721 · dos · Dec 25, 2004 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- oval:org.mitre.oval:def:712 vdb-entry signature
- oval:org.mitre.oval:def:2580 vdb-entry signature
- VU#697136 third-party-advisory
- MS05-002 vendor-advisory
- http://www.xfocus.net/flashsky/icoExp/
- oval:org.mitre.oval:def:3216 vdb-entry signature
- 20041223 Microsoft Windows Kernel ANI File Parsing Crash and DOS Vulnerability mailing-list
- win-ani-ratenumber-dos(18667) vdb-entry
- TA05-012A third-party-advisory
- VU#177584 third-party-advisory
- oval:org.mitre.oval:def:1304 vdb-entry signature
- oval:org.mitre.oval:def:3957 vdb-entry signature