Date: Thu, 14 Nov 2002 16:15:48 -0800
From: [email protected]
To: [email protected], [email protected],
Subject: Security Update: [CSSA-2002-046.0] Linux: buffer overflows and other security issues in squid
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To: [email protected][email protected][email protected][email protected]
______________________________________________________________________________
SCO Security Advisory
Subject: Linux: buffer overflows and other security issues in squid
Advisory number: CSSA-2002-046.0
Issue date: 2002 November 14
Cross reference:
______________________________________________________________________________
1. Problem Description
From the Squid Team's SQUID-2002:3 advisory:
- Several bugfixes and cleanup of the Gopher client, both to
correct some security issues and to make Squid properly render
certain Gopher menus.
- Security fixes in how Squid parses FTP directory listings
into HTML.
- FTP data channels are now sanity checked to match the
address of the requested FTP server. This to prevent theft or
injection of data. See the new ftp_sanitycheck directive if
this sanity check is not desired.
- The MSNT auth helper has been updated to v2.0.3+fixes for
buffer overflow security issues found in this helper.
- A security issue in how Squid forwards proxy authentication
credentials has been fixed.
2. Vulnerable Supported Versions
System Package
----------------------------------------------------------------------
OpenLinux 3.1.1 Server prior to squid-2.5-20020429.i386.rpm
OpenLinux 3.1 Server prior to squid-2.5-20020429.i386.rpm
3. Solution
The proper solution is to install the latest packages. Many
customers find it easier to use the Caldera System Updater, called
cupdate (or kcupdate under the KDE environment), to update these
packages rather than downloading and installing them by hand.
4. OpenLinux 3.1.1 Server
4.1 Package Location
ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-046.0/RPMS
4.2 Packages
fdda342fe954cf6ea304046781a555c8 squid-2.5-20020429.i386.rpm
4.3 Installation
rpm -Fvh squid-2.5-20020429.i386.rpm
4.4 Source Package Location
ftp://ftp.sco.com/pub/updates/OpenLinux/3.1.1/Server/CSSA-2002-046.0/SRPMS
4.5 Source Packages
379f8d5732aaa5ec8bcb4f80e061c501 squid-2.5-20020429.src.rpm
5. OpenLinux 3.1 Server
5.1 Package Location
ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-046.0/RPMS
5.2 Packages
23eb5b61f6c05ec3c0d0c79ee3cc7fa4 squid-2.5-20020429.i386.rpm
5.3 Installation
rpm -Fvh squid-2.5-20020429.i386.rpm
5.4 Source Package Location
ftp://ftp.sco.com/pub/updates/OpenLinux/3.1/Server/CSSA-2002-046.0/SRPMS
5.5 Source Packages
3d322a9bbff5bcb0b320d1cdc0f67037 squid-2.5-20020429.src.rpm
6. References
Specific references for this advisory:
http://www.squid-cache.org/Advisories/SQUID-2002_3.txthttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0713
SCO security resources:
http://www.sco.com/support/security/index.html
This security fix closes SCO incidents sr866628, fz521510,
erg501626.
7. Disclaimer
SCO is not responsible for the misuse of any of the information
we provide on this website and/or through our security
advisories. Our advisories are a service to our customers intended
to promote secure installation and use of SCO products.
8. Acknowledgements
SCO wishes to thank The Squid HTTP Proxy team for the fixes.
______________________________________________________________________________
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