CVE-2007-2815

The "hit-highlighting" functionality in webhits.dll in Microsoft Internet Information Services (IIS) Web Server 5.0 only uses Windows NT ACL configuration…

published May 22, 2007

Patch now

High probability of exploitation

NVD has not assigned a CVSS score to this record. It sits in the 99.5th percentile for exploit probability.

CVSS
—
EPSS
73%
Percentile
99.5
In the wild
Unconfirmed
What it is

⚠️ A surprising loophole in IIS Web Server 5.0 lets attackers waltz past authentication like they own the place! Imagine a restaurant that doesn’t check reservations — anyone can just walk in and enjoy a meal meant for VIPs. This is like the hit-highlighting feature in webhits.dll, which skips authentication checks entirely, allowing unauthorized access to sensitive directories. An attacker could exploit this vulnerability to access private web directories without any authentication, exposing sensitive data or potentially hijacking accounts. Think of it as an open invitation to your exclusive event, where the wrong guests can mingle freely with your data!

Put simply

Imagine a restaurant that doesn’t check reservations — anyone can just walk in and enjoy a meal meant for VIPs. This is like the hit-highlighting feature in webhits.dll, which skips authentication checks entirely, allowing unauthorized access to sensitive directories. The flaw lies in the hit-highlighting functionality of webhits.dll, which relies solely on Windows NT ACL configuration, allowing unauthorized remote access via the CiWebhitsfile parameter in a null.htw request.

What to do

An attacker could exploit this vulnerability to access private web directories without any authentication, exposing sensitive data or potentially hijacking accounts. Think of it as an open invitation to your exclusive event, where the wrong guests can mingle freely with your data! To secure your system, consider upgrading from IIS Web Server 5.0 to a more recent version that includes better authentication checks. Review your web server settings and implement stricter access control policies to safeguard private directories. 🚀 You've got this! With a few updates and tweaks, you can shore up those defenses like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.73350 · 99.5th percentile
Published
2007-05-22T19:00Z
EPSS history
Timeline
  • 22 MAY 19:00Z
    The "hit-highlighting" functionality in webhits.dll in Microsoft Internet Information Services (IIS) Web Server 5.0 only uses Windows NT ACL configuration…
    cvelistv5