| From: |
| bugzilla@redhat.com |
| To: |
| enterprise-watch-list@redhat.com |
| Subject: |
| [RHSA-2003:372-01] Updated wget packages include fix for buffer overrun |
| Date: |
| Wed, 10 Dec 2003 11:56 -0500 |
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Red Hat Security Advisory
Synopsis: Updated wget packages include fix for buffer overrun
Advisory ID: RHSA-2003:372-01
Issue date: 2003-12-10
Updated on: 2003-12-10
Product: Red Hat Enterprise Linux
Keywords: wget
Cross references:
Obsoletes:
CVE Names: CAN-2002-1565
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1. Topic:
Updated wget packages that correct a buffer overrun are now available.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 - i386, ia64
Red Hat Linux Advanced Workstation 2.1 - ia64
Red Hat Enterprise Linux ES version 2.1 - i386
Red Hat Enterprise Linux WS version 2.1 - i386
3. Problem description:
GNU Wget is a file-retrieval utility that uses the HTTP and FTP protocols.
A buffer overflow in the url_filename function for wget 1.8.1 allows
attackers to cause a segmentation fault via a long URL. Red Hat does not
believe that this issue is exploitable to allow an attacker to be able to
run arbitrary code. The Common Vulnerabilities and Exposures project
(cve.mitre.org) has assigned the name CAN-2002-1565 to this issue.
Users of wget should install the erratum package, which contains a
backported security patch and is not vulnerable to this issue.
4. Solution:
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
If up2date fails to connect to Red Hat Network due to SSL
Certificate Errors, you need to install a version of the
up2date client with an updated certificate. The latest version of
up2date is available from the Red Hat FTP site and may also be
downloaded directly from the RHN website:
https://rhn.redhat.com/help/latest-up2date.pxt
5. Bug IDs fixed (http://bugzilla.redhat.com/bugzilla for more info):
110810 - CAN-2002-1565 Wget buffer overflow
6. RPMs required:
Red Hat Enterprise Linux AS (Advanced Server) version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
i386:
Available from Red Hat Network: wget-1.8.2-14.72.i386.rpm
ia64:
Available from Red Hat Network: wget-1.8.2-14.72.ia64.rpm
Red Hat Linux Advanced Workstation 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
ia64:
Available from Red Hat Network: wget-1.8.2-14.72.ia64.rpm
Red Hat Enterprise Linux ES version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
i386:
Available from Red Hat Network: wget-1.8.2-14.72.i386.rpm
Red Hat Enterprise Linux WS version 2.1:
SRPMS:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
i386:
Available from Red Hat Network: wget-1.8.2-14.72.i386.rpm
7. Verification:
MD5 sum Package Name
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42fec370c8e427b6984d6eaa2921f92c 2.1AS/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
007aa565eda3e35ab238090324b4ec77 2.1AS/en/os/i386/wget-1.8.2-14.72.i386.rpm
bd6e0ed668ac5d7bdc18b707431c446c 2.1AS/en/os/ia64/wget-1.8.2-14.72.ia64.rpm
42fec370c8e427b6984d6eaa2921f92c 2.1AW/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
bd6e0ed668ac5d7bdc18b707431c446c 2.1AW/en/os/ia64/wget-1.8.2-14.72.ia64.rpm
42fec370c8e427b6984d6eaa2921f92c 2.1ES/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
007aa565eda3e35ab238090324b4ec77 2.1ES/en/os/i386/wget-1.8.2-14.72.i386.rpm
42fec370c8e427b6984d6eaa2921f92c 2.1WS/en/os/SRPMS/wget-1.8.2-14.72.src.rpm
007aa565eda3e35ab238090324b4ec77 2.1WS/en/os/i386/wget-1.8.2-14.72.i386.rpm
These packages are GPG signed by Red Hat for security. Our key is
available from https://www.redhat.com/security/keys.html
You can verify each package with the following command:
rpm --checksig -v <filename>
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
md5sum <filename>
8. References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1565
9. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://www.redhat.com/solutions/security/news/contact.html
Copyright 2003 Red Hat, Inc.
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