CVE-2007-3897

Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista, allows remote Network News Transfer Protocol (NNTP) servers…

published October 9, 2007

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.0th percentile for exploit probability.

CVSS
—
EPSS
55%
Percentile
99.0
In the wild
Unconfirmed
What it is

⚠️ A heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, as well as Windows Mail for Vista, is lurking, quietly waiting for a crafty NNTP server to exploit it! Think of your inbox as a busy restaurant kitchen. If a delivery comes in with oversized ingredients that the chef doesn't know how to handle, it could cause chaos, potentially ruining everything on the menu! If exploited, this vulnerability allows remote NNTP servers to send long responses that can lead to memory corruption, resulting in arbitrary code execution. An attacker could commandeer your system, unleashing mischief or even stealing sensitive data – a true recipe for disaster!

Put simply

Think of your inbox as a busy restaurant kitchen. If a delivery comes in with oversized ingredients that the chef doesn't know how to handle, it could cause chaos, potentially ruining everything on the menu! This vulnerability allows attackers to exploit a heap-based buffer overflow by sending carefully crafted NNTP responses. Once memory corruption occurs, they can execute arbitrary code in the context of the user running the application.

What to do

If exploited, this vulnerability allows remote NNTP servers to send long responses that can lead to memory corruption, resulting in arbitrary code execution. An attacker could commandeer your system, unleashing mischief or even stealing sensitive data – a true recipe for disaster! To mitigate this risk, ensure that you upgrade to a more secure email client, as Microsoft Outlook Express 6 and Windows Mail for Vista are no longer supported. Additionally, consider disabling NNTP or limiting access to trusted servers only. Stay updated on security patches! You've got this! Take the necessary steps, and you'll be well on your way to securing your inbox! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.54631 · 99.0th percentile
Published
2007-10-09T22:00Z
EPSS history
Timeline
  • 09 OCT 22:00Z
    Heap-based buffer overflow in Microsoft Outlook Express 6 and earlier, and Windows Mail for Vista, allows remote Network News Transfer Protocol (NNTP) servers…
    cvelistv5