There is a cross-site scripting vulnerability in webalizer which can
allow an attacker to exploit a victim by embedding malicious HTML tags
in webalizer-generated reports.
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| EnGarde Secure Linux Security Advisory November 01, 2001 |
| http://www.engardelinux.org/ ESA-20011101-01 |
| |
| Package: webalizer |
| Summary: Cross-site scripting vulnerability in webalizer. |
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EnGarde Secure Linux is a secure distribution of Linux that features
improved access control, host and network intrusion detection, Web
based secure remote management, complete e-commerce using AllCommerce,
and integrated open source security tools.
OVERVIEW
- --------
There is a cross-site scripting vulnerability in webalizer which can
allow an attacker to exploit a victim by embedding malicious HTML tags
in webalizer-generated reports.
DETAIL
- ------
This update fixes the aforementioned cross-site scripting
vulnerability reported by Magnux Software. This updated version also
fixes a date calculation overflow error and enables DNS resolution
provided it is enabled in the webalizer configuration file.
SOLUTION
- --------
All users should upgrade to the most recent version as outlined in
this advisory.
Guardian Digital recently made available the Guardian Digital Secure
Update, a means to proactively keep systems secure and manage
system software. EnGarde users can automatically update their system
using the Guardian Digital WebTool secure interface.
If choosing to manually upgrade this package, updates can be
obtained from:
ftp://ftp.engardelinux.org/pub/engarde/stable/updates/http://ftp.engardelinux.org/pub/engarde/stable/updates/
Before upgrading the package, the machine must either:
a) be booted into a "standard" kernel; or
b) have LIDS disabled.
To disable LIDS, execute the command:
# /sbin/lidsadm -S -- -LIDS_GLOBAL
To install the updated package, execute the command:
# rpm -Uvh
You must now update the LIDS configuration by executing the command:
# /usr/sbin/config_lids.pl
To re-enable LIDS (if it was disabled), execute the command:
# /sbin/lidsadm -S -- +LIDS_GLOBAL
To verify the signatures of the updated packages, execute the command:
# rpm -Kv
UPDATED PACKAGES
- ----------------
These updated packages are for EnGarde Secure Linux 1.0.1 (Finestra).
Source Packages:
SRPMS/webalizer-2.01-1.0.3.src.rpm
MD5 Sum: 73fd07083ef6d0f6f7981698ac955dae
Binary Packages:
i386/webalizer-2.01-1.0.3.i386.rpm
MD5 Sum: 3d8d8b5169a447565cac5aca1103ecea
i686/webalizer-2.01-1.0.3.i686.rpm
MD5 Sum: b1e2de1411610e6740bbf7e0992aa697
REFERENCES
- ----------
Guardian Digital's public key:
http://ftp.engardelinux.org/pub/engarde/ENGARDE-GPG-KEY
Credit for the discovery of this bug goes to:
Flavio Veloso
Webalizer's Official Web Site:
http://www.mrunix.net/webalizer/
Security Contact: security@guardiandigital.com
EnGarde Advisories: http://www.engardelinux.org/advisories.html
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$Id: ESA-20011101-01-webalizer 1.2 2001/11/01 18:27:34 rwm Exp $
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Author: Ryan W. Maple,
Copyright 2001, Guardian Digital, Inc.
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