[RedHat] Schwachstelle in cURL bis inkl. Version 7.19.3 – RHSA-2009:0341-01

[RedHat] Schwachstelle in cURL bis inkl. Version 7.19.3 - RHSA-2009:0341-01

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Liebe Kolleginnen und Kollegen,

soeben erreichte uns nachfolgendes RedHat Security Advisory. Wir geben
diese Informationen unveraendert an Sie weiter.

CVE-2009-0037 – Schwachstelle in cURL und libcURL

Das Programm cURL und die Bibliothek libcURL enthaelt eine
Schwachstelle bei der Implementierung von HTTP Redirects. Ist die
Option ‘CURLOPT_FOLLOWLOCATION’ aktiviert kann ein Angreifer mit
Kontrolle ueber einen Webserver einen Redirect einer ‘http://’ URL auf
einen anderen Server oder eine ‘file://’ URL veranlassen, die auf das
lokale Dateisystem verweist.

Ueber eine Erweiterung des Programms, welche der Unterstuetzung von
Secure Copy (scp) dient, ist es ausserdem moeglich, beliebige Befehle
auf dem System auszufuehren.

Betroffen sind die folgenden Software Pakete und Plattformen:

Paket curl

RHEL Desktop Workstation (v. 5 client) – i386, x86_64
Red Hat Desktop version 3 – i386, x86_64
Red Hat Enterprise Linux (v. 5 server) – i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 – i386, ia64
Red Hat Enterprise Linux AS version 3 – i386, ia64, ppc, s390, s390x,
x86_64
Red Hat Enterprise Linux AS version 4 – i386, ia64, ppc, s390, s390x,
x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) – i386, x86_64
Red Hat Enterprise Linux Desktop version 4 – i386, x86_64
Red Hat Enterprise Linux ES version 2.1 – i386
Red Hat Enterprise Linux ES version 3 – i386, ia64, x86_64
Red Hat Enterprise Linux ES version 4 – i386, ia64, x86_64
Red Hat Enterprise Linux WS version 2.1 – i386
Red Hat Enterprise Linux WS version 3 – i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 – i386, ia64, x86_64
Red Hat Linux Advanced Workstation 2.1 – ia64

Vom Hersteller werden ueberarbeitete Pakete zur Verfuegung gestellt.

Hersteller Advisory:
https://rhn.redhat.com/errata/RHSA-2009-0341.html

(c) der deutschen Zusammenfassung bei DFN-CERT Services GmbH; die
Verbreitung, auch auszugsweise, ist nur unter Hinweis auf den Urheber,
DFN-CERT Services GmbH, und nur zu nicht kommerziellen Zwecken
gestattet.

Mit freundlichen Gruessen,
Michael Groening, DFN-CERT
– —

Michael Groening (Incident Response Team), +49 40 808077-555

DFN-CERT Services GmbH, https://www.dfn-cert.de, Phone +49 40 808077-555
Sitz / Register: Hamburg, AG Hamburg, HRB 88805, Ust-IdNr.: DE 232129737
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: curl security update
Advisory ID: RHSA-2009:0341-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2009-0341.html
Issue date: 2009-03-19
CVE Names: CVE-2009-0037
=====================================================================

1. Summary:

Updated curl packages that fix a security issue are now available for Red
Hat Enterprise Linux 2.1, 3, 4, and 5.

This update has been rated as having moderate security impact by the Red
Hat Security Response Team.

2. Relevant releases/architectures:

RHEL Desktop Workstation (v. 5 client) – i386, x86_64
Red Hat Desktop version 3 – i386, x86_64
Red Hat Enterprise Linux (v. 5 server) – i386, ia64, ppc, s390x, x86_64
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 – i386, ia64
Red Hat Enterprise Linux AS version 3 – i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux AS version 4 – i386, ia64, ppc, s390, s390x, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) – i386, x86_64
Red Hat Enterprise Linux Desktop version 4 – i386, x86_64
Red Hat Enterprise Linux ES version 2.1 – i386
Red Hat Enterprise Linux ES version 3 – i386, ia64, x86_64
Red Hat Enterprise Linux ES version 4 – i386, ia64, x86_64
Red Hat Enterprise Linux WS version 2.1 – i386
Red Hat Enterprise Linux WS version 3 – i386, ia64, x86_64
Red Hat Enterprise Linux WS version 4 – i386, ia64, x86_64
Red Hat Linux Advanced Workstation 2.1 – ia64

3. Description:

cURL is a tool for getting files from FTP, HTTP, Gopher, Telnet, and Dict
servers, using any of the supported protocols. cURL is designed to work
without user interaction or any kind of interactivity.

David Kierznowski discovered a flaw in libcurl where it would not
differentiate between different target URLs when handling automatic
redirects. This caused libcurl to follow any new URL that it understood,
including the “file://” URL type. This could allow a remote server to force
a local libcurl-using application to read a local file instead of the
remote one, possibly exposing local files that were not meant to be
exposed. (CVE-2009-0037)

Note: Applications using libcurl that are expected to follow redirects to
“file://” protocol must now explicitly call curl_easy_setopt(3) and set the
newly introduced CURLOPT_REDIR_PROTOCOLS option as required.

cURL users should upgrade to these updated packages, which contain
backported patches to correct these issues. All running applications using
libcurl must be restarted for the update to take effect.

4. Solution:

Before applying this update, make sure that all previously-released
errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use
the Red Hat Network to apply this update are available at
http://kbase.redhat.com/faq/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

485271 – CVE-2009-0037 curl: local file access via unsafe redirects

6. Package List:

Red Hat Enterprise Linux AS (Advanced Server) version 2.1 :

Source:
ftp://updates.redhat.com/enterprise/2.1AS/en/os/SRPMS/curl-7.8-3.rhel2.src.rpm

i386:
curl-7.8-3.rhel2.i386.rpm
curl-devel-7.8-3.rhel2.i386.rpm

ia64:
curl-7.8-3.rhel2.ia64.rpm
curl-devel-7.8-3.rhel2.ia64.rpm

Red Hat Linux Advanced Workstation 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1AW/en/os/SRPMS/curl-7.8-3.rhel2.src.rpm

ia64:
curl-7.8-3.rhel2.ia64.rpm
curl-devel-7.8-3.rhel2.ia64.rpm

Red Hat Enterprise Linux ES version 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1ES/en/os/SRPMS/curl-7.8-3.rhel2.src.rpm

i386:
curl-7.8-3.rhel2.i386.rpm
curl-devel-7.8-3.rhel2.i386.rpm

Red Hat Enterprise Linux WS version 2.1:

Source:
ftp://updates.redhat.com/enterprise/2.1WS/en/os/SRPMS/curl-7.8-3.rhel2.src.rpm

i386:
curl-7.8-3.rhel2.i386.rpm
curl-devel-7.8-3.rhel2.i386.rpm

Red Hat Enterprise Linux AS version 3:

Source:
ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/curl-7.10.6-9.rhel3.src.rpm

i386:
curl-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-devel-7.10.6-9.rhel3.i386.rpm

ia64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.ia64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.ia64.rpm
curl-devel-7.10.6-9.rhel3.ia64.rpm

ppc:
curl-7.10.6-9.rhel3.ppc.rpm
curl-7.10.6-9.rhel3.ppc64.rpm
curl-debuginfo-7.10.6-9.rhel3.ppc.rpm
curl-debuginfo-7.10.6-9.rhel3.ppc64.rpm
curl-devel-7.10.6-9.rhel3.ppc.rpm

s390:
curl-7.10.6-9.rhel3.s390.rpm
curl-debuginfo-7.10.6-9.rhel3.s390.rpm
curl-devel-7.10.6-9.rhel3.s390.rpm

s390x:
curl-7.10.6-9.rhel3.s390.rpm
curl-7.10.6-9.rhel3.s390x.rpm
curl-debuginfo-7.10.6-9.rhel3.s390.rpm
curl-debuginfo-7.10.6-9.rhel3.s390x.rpm
curl-devel-7.10.6-9.rhel3.s390x.rpm

x86_64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.x86_64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.x86_64.rpm
curl-devel-7.10.6-9.rhel3.x86_64.rpm

Red Hat Desktop version 3:

Source:
ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/curl-7.10.6-9.rhel3.src.rpm

i386:
curl-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-devel-7.10.6-9.rhel3.i386.rpm

x86_64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.x86_64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.x86_64.rpm
curl-devel-7.10.6-9.rhel3.x86_64.rpm

Red Hat Enterprise Linux ES version 3:

Source:
ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/curl-7.10.6-9.rhel3.src.rpm

i386:
curl-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-devel-7.10.6-9.rhel3.i386.rpm

ia64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.ia64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.ia64.rpm
curl-devel-7.10.6-9.rhel3.ia64.rpm

x86_64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.x86_64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.x86_64.rpm
curl-devel-7.10.6-9.rhel3.x86_64.rpm

Red Hat Enterprise Linux WS version 3:

Source:
ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/curl-7.10.6-9.rhel3.src.rpm

i386:
curl-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-devel-7.10.6-9.rhel3.i386.rpm

ia64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.ia64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.ia64.rpm
curl-devel-7.10.6-9.rhel3.ia64.rpm

x86_64:
curl-7.10.6-9.rhel3.i386.rpm
curl-7.10.6-9.rhel3.x86_64.rpm
curl-debuginfo-7.10.6-9.rhel3.i386.rpm
curl-debuginfo-7.10.6-9.rhel3.x86_64.rpm
curl-devel-7.10.6-9.rhel3.x86_64.rpm

Red Hat Enterprise Linux AS version 4:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/curl-7.12.1-11.1.el4_7.1.src.rpm

i386:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-devel-7.12.1-11.1.el4_7.1.i386.rpm

ia64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.ia64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.ia64.rpm
curl-devel-7.12.1-11.1.el4_7.1.ia64.rpm

ppc:
curl-7.12.1-11.1.el4_7.1.ppc.rpm
curl-7.12.1-11.1.el4_7.1.ppc64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.ppc.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.ppc64.rpm
curl-devel-7.12.1-11.1.el4_7.1.ppc.rpm

s390:
curl-7.12.1-11.1.el4_7.1.s390.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.s390.rpm
curl-devel-7.12.1-11.1.el4_7.1.s390.rpm

s390x:
curl-7.12.1-11.1.el4_7.1.s390.rpm
curl-7.12.1-11.1.el4_7.1.s390x.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.s390.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.s390x.rpm
curl-devel-7.12.1-11.1.el4_7.1.s390x.rpm

x86_64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-devel-7.12.1-11.1.el4_7.1.x86_64.rpm

Red Hat Enterprise Linux Desktop version 4:

Source:
ftp://updates.redhat.com/enterprise/4Desktop/en/os/SRPMS/curl-7.12.1-11.1.el4_7.1.src.rpm

i386:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-devel-7.12.1-11.1.el4_7.1.i386.rpm

x86_64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-devel-7.12.1-11.1.el4_7.1.x86_64.rpm

Red Hat Enterprise Linux ES version 4:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/os/SRPMS/curl-7.12.1-11.1.el4_7.1.src.rpm

i386:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-devel-7.12.1-11.1.el4_7.1.i386.rpm

ia64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.ia64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.ia64.rpm
curl-devel-7.12.1-11.1.el4_7.1.ia64.rpm

x86_64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-devel-7.12.1-11.1.el4_7.1.x86_64.rpm

Red Hat Enterprise Linux WS version 4:

Source:
ftp://updates.redhat.com/enterprise/4WS/en/os/SRPMS/curl-7.12.1-11.1.el4_7.1.src.rpm

i386:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-devel-7.12.1-11.1.el4_7.1.i386.rpm

ia64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.ia64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.ia64.rpm
curl-devel-7.12.1-11.1.el4_7.1.ia64.rpm

x86_64:
curl-7.12.1-11.1.el4_7.1.i386.rpm
curl-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.i386.rpm
curl-debuginfo-7.12.1-11.1.el4_7.1.x86_64.rpm
curl-devel-7.12.1-11.1.el4_7.1.x86_64.rpm

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/curl-7.15.5-2.1.el5_3.4.src.rpm

i386:
curl-7.15.5-2.1.el5_3.4.i386.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm

x86_64:
curl-7.15.5-2.1.el5_3.4.i386.rpm
curl-7.15.5-2.1.el5_3.4.x86_64.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.x86_64.rpm

RHEL Desktop Workstation (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/curl-7.15.5-2.1.el5_3.4.src.rpm

i386:
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm
curl-devel-7.15.5-2.1.el5_3.4.i386.rpm

x86_64:
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.x86_64.rpm
curl-devel-7.15.5-2.1.el5_3.4.i386.rpm
curl-devel-7.15.5-2.1.el5_3.4.x86_64.rpm

Red Hat Enterprise Linux (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/curl-7.15.5-2.1.el5_3.4.src.rpm

i386:
curl-7.15.5-2.1.el5_3.4.i386.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm
curl-devel-7.15.5-2.1.el5_3.4.i386.rpm

ia64:
curl-7.15.5-2.1.el5_3.4.ia64.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.ia64.rpm
curl-devel-7.15.5-2.1.el5_3.4.ia64.rpm

ppc:
curl-7.15.5-2.1.el5_3.4.ppc.rpm
curl-7.15.5-2.1.el5_3.4.ppc64.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.ppc.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.ppc64.rpm
curl-devel-7.15.5-2.1.el5_3.4.ppc.rpm
curl-devel-7.15.5-2.1.el5_3.4.ppc64.rpm

s390x:
curl-7.15.5-2.1.el5_3.4.s390.rpm
curl-7.15.5-2.1.el5_3.4.s390x.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.s390.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.s390x.rpm
curl-devel-7.15.5-2.1.el5_3.4.s390.rpm
curl-devel-7.15.5-2.1.el5_3.4.s390x.rpm

x86_64:
curl-7.15.5-2.1.el5_3.4.i386.rpm
curl-7.15.5-2.1.el5_3.4.x86_64.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.i386.rpm
curl-debuginfo-7.15.5-2.1.el5_3.4.x86_64.rpm
curl-devel-7.15.5-2.1.el5_3.4.i386.rpm
curl-devel-7.15.5-2.1.el5_3.4.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://www.redhat.com/security/team/key/#package

7. References:

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0037
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is . More contact
details at https://www.redhat.com/security/team/contact/

Copyright 2009 Red Hat, Inc.
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