drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mangelnde Rechteprüfung in pam_krb5
Name: |
Mangelnde Rechteprüfung in pam_krb5 |
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ID: |
RHSA-2008:0907-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Do, 2. Oktober 2008, 16:33 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3825 |
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Applikationen: |
pam_krb5 |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Moderate: pam_krb5 security update Advisory ID: RHSA-2008:0907-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0907.html Issue date: 2008-10-02 CVE Names: CVE-2008-3825 =====================================================================
1. Summary:
An updated pam_krb5 package that fixes a security issue is now available for Red Hat Enterprise Linux 5.
This update has been rated as having moderate security impact by the Red Hat Security Response Team.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64 Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64
3. Description:
The pam_krb5 module allows Pluggable Authentication Modules (PAM) aware applications to use Kerberos to verify user identities by obtaining user credentials at log in time.
A flaw was found in the pam_krb5 "existing_ticket" configuration option. If a system is configured to use an existing credential cache via the "existing_ticket" option, it may be possible for a local user to gain elevated privileges by using a different, local user's credential cache. (CVE-2008-3825)
Red Hat would like to thank Stéphane Bertin for responsibly disclosing this issue.
Users of pam_krb5 should upgrade to this updated package, which contains a backported patch to resolve this issue.
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/FAQ_58_10188
5. Bugs fixed (http://bugzilla.redhat.com/):
461960 - CVE-2008-3825 pam_krb5 existing_ticket permission flaw
6. Package List:
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: pam_krb5-2.2.14-1.el5_2.1.src.rpm
i386: pam_krb5-2.2.14-1.el5_2.1.i386.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.i386.rpm
x86_64: pam_krb5-2.2.14-1.el5_2.1.i386.rpm pam_krb5-2.2.14-1.el5_2.1.x86_64.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.i386.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: pam_krb5-2.2.14-1.el5_2.1.src.rpm
i386: pam_krb5-2.2.14-1.el5_2.1.i386.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.i386.rpm
ia64: pam_krb5-2.2.14-1.el5_2.1.i386.rpm pam_krb5-2.2.14-1.el5_2.1.ia64.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.i386.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.ia64.rpm
ppc: pam_krb5-2.2.14-1.el5_2.1.ppc.rpm pam_krb5-2.2.14-1.el5_2.1.ppc64.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.ppc.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.ppc64.rpm
s390x: pam_krb5-2.2.14-1.el5_2.1.s390.rpm pam_krb5-2.2.14-1.el5_2.1.s390x.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.s390.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.s390x.rpm
x86_64: pam_krb5-2.2.14-1.el5_2.1.i386.rpm pam_krb5-2.2.14-1.el5_2.1.x86_64.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.i386.rpm pam_krb5-debuginfo-2.2.14-1.el5_2.1.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-2008-3825 http://www.redhat.com/security/updates/classification/#moderate
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
Copyright 2008 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
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