Title: MacOS X Client Apache File Protection Bypass Vulnerability
Severity: HIGH
Description:
A vulnerability exists when Apache webserver is used with Mac OS X Client.
The standard filesystem for Mac OS X is HFS+. HFS+ is case insensitive while Apache's filtering is case sensitive.
Apache offers file protection functionality which prohibits unprivileged users from accessing protected directories. Because it was developed on systems with case sensitive filesystems, requests must match the filter exactly. Any difference in character case will cause a request to not match the filter.
Apache will filter all file requests that match filters exactly (including case), but it will not filter requests if the case . Since HFS+ is case insensitive, these requests will result in the "filtered" files being disclosed.
The impact is that privileged files may be arbitrarily disclosed to non-privileged remote users.
Affected Products:
- Apache Software Foundation Apache 1.3.14 Mac
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