Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request.
download.novell.com/Download?buildid=8RF83go0nZg~
download.novell.com/Download?buildid=O9ucpbS1bK0~
secunia.com/advisories/24944
securityreason.com/securityalert/2610
www.securityfocus.com/archive/1/466212/100/0/threaded
www.securityfocus.com/bid/23556
www.securitytracker.com/id?1017932
www.vupen.com/english/advisories/2007/1455
www.zerodayinitiative.com/advisories/ZDI-07-015.html