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=============================================================================
FreeBSD-SN-02:04                                              Security Notice
                                                          The FreeBSD Project

Topic:          security issues in ports
Announced:      2002-06-19

I.   Introduction

Several ports in the FreeBSD Ports Collection are affected by security
issues.  These are listed below with references and affected versions.
All versions given refer to the FreeBSD port/package version numbers.
The listed vulnerabilities are not specific to FreeBSD unless
otherwise noted.

These ports are not installed by default, nor are they ``part of
FreeBSD'' as such.  The FreeBSD Ports Collection contains thousands of
third-party applications in a ready-to-install format.  FreeBSD makes
no claim about the security of these third-party applications.  See
<URL:http://www.freebsd.org/ports/> for more information about the
FreeBSD Ports Collection.

II.  Ports

+------------------------------------------------------------------------+
Port name:      apache13, apache13-modssl, apache13-ssl,
                apache13+ipv6, apache13-fp, apache2
Affected:       versions < apache-2.0.39 (apache2)
                versions < apache-1.3.26 (apache13)
		versions < apache+mod_ssl-1.3.26+2.8.9 (apache13-modssl)
                All versions (others)
Status:         Fixed (apache2, apache13, apache13-modssl)
                Not fixed (others)
Denial-of-service involving chunked encoding.
<URL:http://httpd.apache.org/info/security_bulletin_20020617.txt>
<URL:http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20502>
<URL:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0392>
+------------------------------------------------------------------------+
Port name:      bind9
Affected:       versions < bind9-9.2.1
Status:         Fixed
Denial-of-service vulnerability in named.
<URL:http://www.cert.org/advisories/CA-2002-15.html>
+------------------------------------------------------------------------+
Port name:      courier-imap
Affected:       versions < courier-imap-1.4.3_1
Status:         Fixed
Remote denial-of-service attack (CPU utilization).
<URL:http://www.security.nnov.ru/advisories/courier.asp>
+------------------------------------------------------------------------+
Port name:      ethereal
Affected:       versions < ethereal-0.9.4
Status:         Fixed
Buffer overflows in SMB, X11, DNS, and GIOP dissectors.
<URL:http://www.ethereal.com/appnotes/enpa-sa-00004.html>
+------------------------------------------------------------------------+
Port name:      fakebo
Affected:       versions < fakebo-0.4.1_1
Status:         Fixed
Format string vulnerability.
<URL:http://cvsweb.freebsd.org/ports/security/fakebo/files/patch-aa>
<URL:http://cvsweb.freebsd.org/ports/security/fakebo/files/patch-ab>
+------------------------------------------------------------------------+
Port name:      fragroute
Affected:       versions < fragroute-1.2_1
Status:         Fixed
The distribution file with MD5 checksum 65edbfc51f8070517f14ceeb8f721075
was trojaned.
<URL:http://online.securityfocus.com/archive/1/274892>
+------------------------------------------------------------------------+
Port name:      ghostscript-gnu
Affected:       versions < ghostscript-6.53
Status:         Fixed
A PostScript file can cause arbitrary commands to be executed as
the user running ghostscript.
<URL:http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0363>
+------------------------------------------------------------------------+
Port name:      icmpmonitor
Affected:       versions < icmpmonitor-1.11_1
Status:         Fixed
Format string vulnerability (syslog).
<URL:http://cvsweb.freebsd.org/ports/net/icmpmonitor/files/patch-aa>
+------------------------------------------------------------------------+
Port name:      imap-uw
Affected:       All versions
Status:         Not fixed
Locally exploitable stack buffer overflow when compiled with
WITH_RFC1730 (which is not the default).
<URL:http://online.securityfocus.com/archive/1/271958>
<URL:http://online.securityfocus.com/archive/1/272030>
+------------------------------------------------------------------------+
Port name:      mnews
Affected:       All versions
Status:         Not fixed
Remotely exploitable buffer overflows.
<URL:http://online.securityfocus.com/archive/1/275012>
<URL:http://online.securityfocus.com/archive/1/275125>
+------------------------------------------------------------------------+
Port name:      nn
Affected:       versions < nn-6.6.2_1
Status:         Fixed
Remotely exploitable format string vulnerability.
Reproduce using netcat:
  perl -e 'printf("100 %s\n", "%x" x 800);' | nc -l -p 119
  env NNTPSERVER="localhost" nn
+------------------------------------------------------------------------+
Port name:      sharity-light
Affected:       versions < sharity-light-1.2_1
Status:         Fixed
Stack buffer overflow when copying the username and password from the
environment (variables USER, LOGNAME, and PASSWD).  Reported by
Niels Heinen <niels.heinen@ubizen.com>.
+------------------------------------------------------------------------+
Port name:      slurp
Affected:       versions < slurp-1.10_1
Status:         Fixed
Remotely exploitable format string vulnerability.
<URL:http://online.securityfocus.com/archive/1/275397>
+------------------------------------------------------------------------+
Port name:      xchat
Affected:       versions < xchat-1.8.9
Status:         Fixed
An IRC server may execute arbitrary commands with the privileges
of the user running xchat.
<URL:http://online.securityfocus.com/bid/4376>
+------------------------------------------------------------------------+

III. Upgrading Ports/Packages

To upgrade a fixed port/package, perform one of the following:

1) Upgrade your Ports Collection and rebuild and reinstall the port.
Several tools are available in the Ports Collection to make this
easier.  See:
  /usr/ports/devel/portcheckout
  /usr/ports/misc/porteasy
  /usr/ports/sysutils/portupgrade

2) Deinstall the old package and install a new package obtained from

[i386]
ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/i386/packages-4-stable/All/

Packages are not automatically generated for other architectures at
this time.


+------------------------------------------------------------------------+
FreeBSD Security Notices are communications from the Security Officer
intended to inform the user community about potential security issues,
such as bugs in the third-party applications found in the Ports
Collection, which will not be addressed in a FreeBSD Security
Advisory.

Feedback on Security Notices is welcome at <security-officer@FreeBSD.org>.
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