drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Mehrere Probleme in krb5
Name: |
Mehrere Probleme in krb5 |
|
ID: |
RHSA-2010:0925-01 |
|
Distribution: |
Red Hat |
|
Plattformen: |
Red Hat Enterprise Linux |
|
Datum: |
Mi, 1. Dezember 2010, 11:16 |
|
Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1323
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-1324
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-4020
http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2010-007.txt |
|
Applikationen: |
MIT Kerberos |
|
Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
===================================================================== Red Hat Security Advisory
Synopsis: Important: krb5 security and bug fix update Advisory ID: RHSA-2010:0925-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0925.html Issue date: 2010-11-30 CVE Names: CVE-2010-1323 CVE-2010-1324 CVE-2010-4020 =====================================================================
1. Summary:
Updated krb5 packages that fix multiple security issues and one bug are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
3. Description:
Kerberos is a network authentication system which allows clients and servers to authenticate to each other using symmetric encryption and a trusted third party, the Key Distribution Center (KDC).
Multiple checksum validation flaws were discovered in the MIT Kerberos implementation. A remote attacker could use these flaws to tamper with certain Kerberos protocol packets and, possibly, bypass authentication or authorization mechanisms and escalate their privileges. (CVE-2010-1323, CVE-2010-1324, CVE-2010-4020)
Red Hat would like to thank the MIT Kerberos Team for reporting these issues.
This update also fixes the following bug:
* When attempting to perform PKINIT pre-authentication, if the client had more than one possible candidate certificate the client could fail to select the certificate and key to use. This usually occurred if certificate selection was configured to use the value of the keyUsage extension, or if any of the candidate certificates did not contain a subjectAltName extension. Consequently, the client attempted to perform pre-authentication using a different (usually password-based) mechanism. (BZ#644825)
All krb5 users should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, the krb5kdc daemon will be restarted automatically.
4. Solution:
Before applying this update, make sure all previously-released errata relevant to your system have been applied.
This update is available via the 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/):
644825 - 'kinit' with smart card login fails to authenticate to the kdc using the cert and its private key. 648674 - CVE-2010-1324 krb5: multiple checksum handling vulnerabilities (MITKRB5-SA-2010-007) 648734 - CVE-2010-1323 krb5: incorrect acceptance of certain checksums (MITKRB5-SA-2010-007) 648735 - CVE-2010-4020 krb5: krb5 may accept authdata checksums with low-entropy derived keys (MITKRB5-SA-2010-007)
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
i386: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.i686.rpm krb5-workstation-1.8.2-3.el6_0.3.i686.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.x86_64.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.x86_64.rpm krb5-workstation-1.8.2-3.el6_0.3.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
i386: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-server-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.x86_64.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.x86_64.rpm krb5-workstation-1.8.2-3.el6_0.3.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
i386: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.i686.rpm krb5-server-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-workstation-1.8.2-3.el6_0.3.i686.rpm
ppc64: krb5-debuginfo-1.8.2-3.el6_0.3.ppc.rpm krb5-debuginfo-1.8.2-3.el6_0.3.ppc64.rpm krb5-devel-1.8.2-3.el6_0.3.ppc.rpm krb5-devel-1.8.2-3.el6_0.3.ppc64.rpm krb5-libs-1.8.2-3.el6_0.3.ppc.rpm krb5-libs-1.8.2-3.el6_0.3.ppc64.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.ppc64.rpm krb5-server-1.8.2-3.el6_0.3.ppc64.rpm krb5-server-ldap-1.8.2-3.el6_0.3.ppc.rpm krb5-server-ldap-1.8.2-3.el6_0.3.ppc64.rpm krb5-workstation-1.8.2-3.el6_0.3.ppc64.rpm
s390x: krb5-debuginfo-1.8.2-3.el6_0.3.s390.rpm krb5-debuginfo-1.8.2-3.el6_0.3.s390x.rpm krb5-devel-1.8.2-3.el6_0.3.s390.rpm krb5-devel-1.8.2-3.el6_0.3.s390x.rpm krb5-libs-1.8.2-3.el6_0.3.s390.rpm krb5-libs-1.8.2-3.el6_0.3.s390x.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.s390x.rpm krb5-server-1.8.2-3.el6_0.3.s390x.rpm krb5-server-ldap-1.8.2-3.el6_0.3.s390.rpm krb5-server-ldap-1.8.2-3.el6_0.3.s390x.rpm krb5-workstation-1.8.2-3.el6_0.3.s390x.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.x86_64.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.x86_64.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.x86_64.rpm krb5-workstation-1.8.2-3.el6_0.3.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: krb5-1.8.2-3.el6_0.3.src.rpm
i386: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.i686.rpm krb5-server-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-workstation-1.8.2-3.el6_0.3.i686.rpm
x86_64: krb5-debuginfo-1.8.2-3.el6_0.3.i686.rpm krb5-debuginfo-1.8.2-3.el6_0.3.x86_64.rpm krb5-devel-1.8.2-3.el6_0.3.i686.rpm krb5-devel-1.8.2-3.el6_0.3.x86_64.rpm krb5-libs-1.8.2-3.el6_0.3.i686.rpm krb5-libs-1.8.2-3.el6_0.3.x86_64.rpm krb5-pkinit-openssl-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-1.8.2-3.el6_0.3.x86_64.rpm krb5-server-ldap-1.8.2-3.el6_0.3.i686.rpm krb5-server-ldap-1.8.2-3.el6_0.3.x86_64.rpm krb5-workstation-1.8.2-3.el6_0.3.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:
https://www.redhat.com/security/data/cve/CVE-2010-1323.html https://www.redhat.com/security/data/cve/CVE-2010-1324.html https://www.redhat.com/security/data/cve/CVE-2010-4020.html http://www.redhat.com/security/updates/classification/#important http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2010-007.txt
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://www.redhat.com/security/team/contact/
Copyright 2010 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux)
iD8DBQFM9YIeXlSAg2UNWIIRAuFGAJoCPUEjOOlWGpHQHyBPcZX5qK+K+wCaA+DW WKKxlhO9oSmsMJwmT92xiuk= =hvE4 -----END PGP SIGNATURE-----
-- Enterprise-watch-list mailing list Enterprise-watch-list@redhat.com https://www.redhat.com/mailman/listinfo/enterprise-watch-list
|
|
|
|