Description
Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients of the message to the addresses listed in the To and CC fields, which may allow remote attackers to obtain sensitive information.
Product(s):
- Microsoft outlook_express 6.0
- Microsoft Outlook Express 6.0 Service Pack 1
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2004-2137, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2004-2137 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions:
- Check out the advisory links provided below.