CVE-2008-6922
CMailServer 5.4.6 - Stack-Based Buffer Overflow via Multiple CMailCOM.dll Methods
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2008-6922. PoCs published by Nine:Situations:Group.
AI-analyzed exploit summary This exploit targets a buffer overflow in CMailServer 5.4.6 via the 'indexOfMail' parameter in mvmail.asp, leveraging a SEH overwrite to execute arbitrary shellcode (calc.exe) with NETWORK SERVICE privileges. It includes authentication bypass via signup.asp and a crafted HTTP POST request to trigger the vulnerability.
Description
Multiple stack-based buffer overflows in CMailCOM.dll in CMailServer 5.4.6 allow remote attackers to execute arbitrary code via a long argument to the (1) CreateUserPath, (2) Logout, (3) DeleteMailByUID, (4) MoveToInbox, (5) MoveToFolder, (6) DeleteMailEx, (7) GetMailDataEx, (8) SetReplySign, (9) SetForwardSign, and (10) SetReadSign methods, which are not properly handled by (a) the POP3 Class ActiveX control (CMailCom.POP3); or a long argument to the (11) AddAttach, (12) SetSubject, (13) SetBcc, (14) SetBody, (15) SetCc, (16) SetFrom, (17) SetTo, and (18) SetFromUID methods, which are not properly handled by the Class ActiveX control (CMailCOM.SMTP), as demonstrated via the indexOfMail parameter to mwmail.asp.
Exploits (1)
This exploit targets a buffer overflow in CMailServer 5.4.6 via the 'indexOfMail' parameter in mvmail.asp, leveraging a SEH overwrite to execute arbitrary shellcode (calc.exe) with NETWORK SERVICE privileges. It includes authentication bypass via signup.asp and a crafted HTTP POST request to trigger the vulnerability.