[ Advisory for Freestyle Chat server ] [ Freestyle Chat server is made by Faust Informatics ] [ Site: http://www.faust-net.de ] [ by nemesystm of the DHC ] [ (http://dhcorp.cjb.net - neme-dhcat_private) ] [ ADV-0124 ] /-|=[explanation]=|-\ Freestyle Chat server is http chat environment. It is vulnerable to a variation of the dot dot bug. Freestyle also suffers from a device name denial of service. /-|=[who is vulnerable]=|-\ Freestyle Chat server 3.73 was tested and is vulnerable. The creator of Freestyle Chat server has verified that every version prior to 4.1 SR3 is vulnerable. 4.1 SR3 was released because of this vulnerability. /-|=[testing it]=|-\ By requesting http://www.server.com/.../.../scandisk.log http://www.server.com/..../scandisk.log one can grab any file they want. Naturally variations on the examples above are also possible. By requesting http://www.server.com/aux one can crash the server. This is not a problem in Windows 2000, only in Windows ME/98. /-|=[fix]=|-\ Download Freestyle Chat server 4.1 SR3. If upgrading is not an option for some reason, a patch is also available on the Faust Informatics website. Free, encrypted, secure Web-based email at www.hushmail.com
This archive was generated by hypermail 2b30 : Fri May 25 2001 - 09:00:35 PDT