CVE-2007-1675

Buffer overflow in the CRAM-MD5 authentication mechanism in the IMAP server (nimap.exe) in IBM Lotus Domino before 6.5.6 and 7.x before 7.0.2 FP1 allows remote…

published March 28, 2007

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.2th percentile for exploit probability.

CVSS
—
EPSS
61%
Percentile
99.2
In the wild
Unconfirmed
What it is

⚠️ A long username is all it takes to trip up the CRAM-MD5 authentication in IBM Lotus Domino! This buffer overflow flaw could lead to a denial of service in older versions. 😱 Think of it like trying to fit a massive suitcase into a small locker — once you push too far, the whole system gets jammed! The locker here is the IMAP server, and that oversized suitcase is your lengthy username causing chaos. An attacker could exploit this by sending an excessively long username, causing the IMAP server to crash or become unresponsive. This means legitimate users could be locked out, leading to service disruptions and a frustrating experience for everyone involved.

Put simply

Think of it like trying to fit a massive suitcase into a small locker — once you push too far, the whole system gets jammed! The locker here is the IMAP server, and that oversized suitcase is your lengthy username causing chaos. The vulnerability occurs in the CRAM-MD5 authentication mechanism within the IMAP server (nimap.exe) in IBM Lotus Domino prior to version 6.5.6 and 7.0.2 FP1. A buffer overflow allows attackers to crash the server by submitting overly long username inputs.

What to do

An attacker could exploit this by sending an excessively long username, causing the IMAP server to crash or become unresponsive. This means legitimate users could be locked out, leading to service disruptions and a frustrating experience for everyone involved. To mitigate this vulnerability, upgrade to Lotus Domino versions 6.5.6 or 7.0.2 FP1 or later. Additionally, implement input validation to ensure that usernames are within acceptable length limits to prevent potential exploits. You've got this! With these updates, your IMAP server will be back to being a fortress against any unwelcome surprises. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.61220 · 99.2th percentile
Published
2007-03-28T21:00Z
EPSS history
Timeline
  • 28 MAR 21:00Z
    Buffer overflow in the CRAM-MD5 authentication mechanism in the IMAP server (nimap.exe) in IBM Lotus Domino before 6.5.6 and 7.x before 7.0.2 FP1 allows remote…
    cvelistv5