Description
The __VIEWSTATE functionality in Microsoft ASP.NET 1.x, when not cryptographically signed, allows remote attackers to cause a denial of service (CPU consumption) via deeply nested markup.
References
- 20050503 ASP.NET __VIEWSTATE crypto validation prone to replay attacks mailing-list
- ms-aspnet-viewstate-dos(20408) vdb-entry
- http://scottonwriting.net/sowblog/posts/3747.aspx
- 16195 vdb-entry
- 15241 third-party-advisory