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------BEGIN PGP SIGNED MESSAGE-----
-
-=============================================================================
-FreeBSD-SA-00:80 Security Advisory
- FreeBSD, Inc.
-
-Topic: halflifeserver allows remote code execution
-
-Category: ports
-Module: halflifeserver
-Announced: 2000-12-20
-Credits: Mark Cooper
-Affects: Ports collection prior to the correction date.
-Corrected: 2000-11-29
-Vendor status: Updated version released
-FreeBSD only: NO
-
-I. Background
-
-halflifeserver is a dedicated server for hosting Half-Life games.
-
-II. Problem Description
-
-The halflifeserver port, versions prior to 3.1.0.4, contains local and
-remote vulnerabilities through buffer overflows and format string
-vulnerabilities. These vulnerabilities may allow remote users to
-execute arbitrary code as the user running halflifeserver.
-
-The halflifeserver 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 4200 third-party applications in a ready-to-install
-format. The ports collections shipped with FreeBSD 3.5.1 and 4.2
-contain this problem since it was discovered after the releases.
-
-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.
-
-III. Impact
-
-Malicious remote users may execute arbitrary code as the user running
-the halflifeserver software.
-
-If you have not chosen to install the halflifeserver port/package,
-then your system is not vulnerable to this problem.
-
-IV. Workaround
-
-Deinstall the halflifeserver port/package, if you have installed it.
-
-V. Solution
-
-One of the following:
-
-1) Upgrade your entire ports collection and rebuild the halflifeserver
-port.
-
-2) download a new port skeleton for the halflifeserver port from:
-
-http://www.freebsd.org/ports/
-
-and use it to rebuild the port. Due to license restrictions no binary
-package is provided for the halflifeserver port.
-
-3) Use the portcheckout utility to automate option (2) above. The
-portcheckout port is available in /usr/ports/devel/portcheckout or the
-package can be obtained from:
-
-ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-3-stable/devel/portcheckout-2.0.tgz
-ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/devel/portcheckout-2.0.tgz
-ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-4-stable/devel/portcheckout-2.0.tgz
-ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-5-current/devel/portcheckout-2.0.tgz
-ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/alpha/packages-5-current/devel/portcheckout-2.0.tgz
-
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