Date: Tue, 9 May 2000 12:24:03 -0700
From: FreeBSD Security Officer email@example.com
Subject: FreeBSD Security Advisory: FreeBSD-SA-00:18.gnapster
FreeBSD-SA-00:18 Security Advisory
Topic: gnapster port allows remote users to view local files
Credits: Fixed by vendor.
Affects: Ports collection.
Vendor status: Updated version released.
FreeBSD only: NO
Gnapster is a client for the Napster file-sharing network.
II. Problem Description
The gnapster port (version 1.3.8 and earlier) contains a
vulnerability which allows remote gnapster users to view any file
on the local system which is accessible to the user running
gnapster. Gnapster does not run with elevated privileges, so it is
only the user's regular filesystem access permissions which are
The gnapster port is not installed by default, nor is it "part
of FreeBSD" as such: it is part of the FreeBSD ports collection,
which contains over 3200 third-party applications in a
ready-to-install format. The ports collection shipped with FreeBSD
4.0 contains this problem since it was discovered after the
FreeBSD makes no claim about the security of these third-party
applications, although an effort is underway to provide a security
audit of the most security-critical ports.
Remote users can view files accessible to the user running the
If you have not chosen to install the gnapster port/package,
then your system is not vulnerable to this problem.
Deinstall the gnapster port/package, if you you have installed
One of the following:
1) Upgrade your entire ports collection and rebuild the gnapster
2) Reinstall a new package dated after the correction date,
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