TippingPoint Zero Day Initiative

QUALCOMM Eudora WorldMail Remote Management Heap Overflow Vulnerability

ZDI-07-001: January 5th, 2007


Affected Vendors


Affected Products


TippingPoint™ IPS Customer Protection

TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4689. For further product information on the TippingPoint IPS:

Vulnerability Details

This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Eudora WorldMail. Authentication is not required to exploit this vulnerability.

The specific flaw exists during the parsing of successive delimiters within the Mail Management Server, MAILMA.exe, listening on TCP port 106. Processing a maliciously crafted request can result in an exploitable heap corruption.

Vendor Response

QUALCOMM states:

QUALCOMM will not be addressing this issue with a software patch and instead recommends that administrators block access to the affected port from untrusted sources at the network level.

Disclosure Timeline

    2006-09-15 - Vulnerability reported to vendor
    2007-01-05 - Coordinated public release of advisory


This vulnerability was discovered by:
    Leon Juranic, INFIGO IS