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===================================================================== Red Hat Security Advisory
Synopsis: Important: krb5 security update Advisory ID: RHSA-2010:0423-01 Product: Red Hat Enterprise Linux Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0423.html Issue date: 2010-05-18 CVE Names: CVE-2010-1321 =====================================================================
1. Summary:
Updated krb5 packages that fix one security issue are now available for Red Hat Enterprise Linux 3, 4, and 5.
The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
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 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 3 - i386, ia64, x86_64 Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64 Red Hat Enterprise Linux WS version 3 - i386, ia64, x86_64 Red Hat Enterprise Linux WS version 4 - i386, ia64, 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).
A NULL pointer dereference flaw was discovered in the MIT Kerberos Generic Security Service Application Program Interface (GSS-API) library. A remote, authenticated attacker could use this flaw to crash any server application using the GSS-API authentication mechanism, by sending a specially-crafted GSS-API token with a missing checksum field. (CVE-2010-1321)
Red Hat would like to thank the MIT Kerberos Team for responsibly reporting this issue. Upstream acknowledges Shawn Emery of Oracle as the original reporter.
All krb5 users should upgrade to these updated packages, which contain a backported patch to correct this issue. All running services using the MIT Kerberos libraries must be restarted for the update to take effect.
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/):
582466 - CVE-2010-1321 krb5: null pointer dereference in GSS-API library leads to DoS (MITKRB5-SA-2010-005)
6. Package List:
Red Hat Enterprise Linux AS version 3:
Source: ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/krb5-1.2.7-72.src.rpm
i386: krb5-debuginfo-1.2.7-72.i386.rpm krb5-devel-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.i386.rpm krb5-server-1.2.7-72.i386.rpm krb5-workstation-1.2.7-72.i386.rpm
ia64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.ia64.rpm krb5-devel-1.2.7-72.ia64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.ia64.rpm krb5-server-1.2.7-72.ia64.rpm krb5-workstation-1.2.7-72.ia64.rpm
ppc: krb5-debuginfo-1.2.7-72.ppc.rpm krb5-debuginfo-1.2.7-72.ppc64.rpm krb5-devel-1.2.7-72.ppc.rpm krb5-libs-1.2.7-72.ppc.rpm krb5-libs-1.2.7-72.ppc64.rpm krb5-server-1.2.7-72.ppc.rpm krb5-workstation-1.2.7-72.ppc.rpm
s390: krb5-debuginfo-1.2.7-72.s390.rpm krb5-devel-1.2.7-72.s390.rpm krb5-libs-1.2.7-72.s390.rpm krb5-server-1.2.7-72.s390.rpm krb5-workstation-1.2.7-72.s390.rpm
s390x: krb5-debuginfo-1.2.7-72.s390.rpm krb5-debuginfo-1.2.7-72.s390x.rpm krb5-devel-1.2.7-72.s390x.rpm krb5-libs-1.2.7-72.s390.rpm krb5-libs-1.2.7-72.s390x.rpm krb5-server-1.2.7-72.s390x.rpm krb5-workstation-1.2.7-72.s390x.rpm
x86_64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.x86_64.rpm krb5-devel-1.2.7-72.x86_64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.x86_64.rpm krb5-server-1.2.7-72.x86_64.rpm krb5-workstation-1.2.7-72.x86_64.rpm
Red Hat Desktop version 3:
Source: ftp://updates.redhat.com/enterprise/3desktop/en/os/SRPMS/krb5-1.2.7-72.src.rpm
i386: krb5-debuginfo-1.2.7-72.i386.rpm krb5-devel-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.i386.rpm krb5-server-1.2.7-72.i386.rpm krb5-workstation-1.2.7-72.i386.rpm
x86_64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.x86_64.rpm krb5-devel-1.2.7-72.x86_64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.x86_64.rpm krb5-server-1.2.7-72.x86_64.rpm krb5-workstation-1.2.7-72.x86_64.rpm
Red Hat Enterprise Linux ES version 3:
Source: ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/krb5-1.2.7-72.src.rpm
i386: krb5-debuginfo-1.2.7-72.i386.rpm krb5-devel-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.i386.rpm krb5-server-1.2.7-72.i386.rpm krb5-workstation-1.2.7-72.i386.rpm
ia64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.ia64.rpm krb5-devel-1.2.7-72.ia64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.ia64.rpm krb5-server-1.2.7-72.ia64.rpm krb5-workstation-1.2.7-72.ia64.rpm
x86_64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.x86_64.rpm krb5-devel-1.2.7-72.x86_64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.x86_64.rpm krb5-server-1.2.7-72.x86_64.rpm krb5-workstation-1.2.7-72.x86_64.rpm
Red Hat Enterprise Linux WS version 3:
Source: ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/krb5-1.2.7-72.src.rpm
i386: krb5-debuginfo-1.2.7-72.i386.rpm krb5-devel-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.i386.rpm krb5-server-1.2.7-72.i386.rpm krb5-workstation-1.2.7-72.i386.rpm
ia64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.ia64.rpm krb5-devel-1.2.7-72.ia64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.ia64.rpm krb5-server-1.2.7-72.ia64.rpm krb5-workstation-1.2.7-72.ia64.rpm
x86_64: krb5-debuginfo-1.2.7-72.i386.rpm krb5-debuginfo-1.2.7-72.x86_64.rpm krb5-devel-1.2.7-72.x86_64.rpm krb5-libs-1.2.7-72.i386.rpm krb5-libs-1.2.7-72.x86_64.rpm krb5-server-1.2.7-72.x86_64.rpm krb5-workstation-1.2.7-72.x86_64.rpm
Red Hat Enterprise Linux AS version 4:
Source: krb5-1.3.4-62.el4_8.2.src.rpm
i386: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-devel-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-server-1.3.4-62.el4_8.2.i386.rpm krb5-workstation-1.3.4-62.el4_8.2.i386.rpm
ia64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.ia64.rpm krb5-devel-1.3.4-62.el4_8.2.ia64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.ia64.rpm krb5-server-1.3.4-62.el4_8.2.ia64.rpm krb5-workstation-1.3.4-62.el4_8.2.ia64.rpm
ppc: krb5-debuginfo-1.3.4-62.el4_8.2.ppc.rpm krb5-debuginfo-1.3.4-62.el4_8.2.ppc64.rpm krb5-devel-1.3.4-62.el4_8.2.ppc.rpm krb5-libs-1.3.4-62.el4_8.2.ppc.rpm krb5-libs-1.3.4-62.el4_8.2.ppc64.rpm krb5-server-1.3.4-62.el4_8.2.ppc.rpm krb5-workstation-1.3.4-62.el4_8.2.ppc.rpm
s390: krb5-debuginfo-1.3.4-62.el4_8.2.s390.rpm krb5-devel-1.3.4-62.el4_8.2.s390.rpm krb5-libs-1.3.4-62.el4_8.2.s390.rpm krb5-server-1.3.4-62.el4_8.2.s390.rpm krb5-workstation-1.3.4-62.el4_8.2.s390.rpm
s390x: krb5-debuginfo-1.3.4-62.el4_8.2.s390.rpm krb5-debuginfo-1.3.4-62.el4_8.2.s390x.rpm krb5-devel-1.3.4-62.el4_8.2.s390x.rpm krb5-libs-1.3.4-62.el4_8.2.s390.rpm krb5-libs-1.3.4-62.el4_8.2.s390x.rpm krb5-server-1.3.4-62.el4_8.2.s390x.rpm krb5-workstation-1.3.4-62.el4_8.2.s390x.rpm
x86_64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.x86_64.rpm krb5-devel-1.3.4-62.el4_8.2.x86_64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.x86_64.rpm krb5-server-1.3.4-62.el4_8.2.x86_64.rpm krb5-workstation-1.3.4-62.el4_8.2.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source: krb5-1.3.4-62.el4_8.2.src.rpm
i386: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-devel-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-server-1.3.4-62.el4_8.2.i386.rpm krb5-workstation-1.3.4-62.el4_8.2.i386.rpm
x86_64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.x86_64.rpm krb5-devel-1.3.4-62.el4_8.2.x86_64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.x86_64.rpm krb5-server-1.3.4-62.el4_8.2.x86_64.rpm krb5-workstation-1.3.4-62.el4_8.2.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source: krb5-1.3.4-62.el4_8.2.src.rpm
i386: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-devel-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-server-1.3.4-62.el4_8.2.i386.rpm krb5-workstation-1.3.4-62.el4_8.2.i386.rpm
ia64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.ia64.rpm krb5-devel-1.3.4-62.el4_8.2.ia64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.ia64.rpm krb5-server-1.3.4-62.el4_8.2.ia64.rpm krb5-workstation-1.3.4-62.el4_8.2.ia64.rpm
x86_64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.x86_64.rpm krb5-devel-1.3.4-62.el4_8.2.x86_64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.x86_64.rpm krb5-server-1.3.4-62.el4_8.2.x86_64.rpm krb5-workstation-1.3.4-62.el4_8.2.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source: krb5-1.3.4-62.el4_8.2.src.rpm
i386: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-devel-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-server-1.3.4-62.el4_8.2.i386.rpm krb5-workstation-1.3.4-62.el4_8.2.i386.rpm
ia64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.ia64.rpm krb5-devel-1.3.4-62.el4_8.2.ia64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.ia64.rpm krb5-server-1.3.4-62.el4_8.2.ia64.rpm krb5-workstation-1.3.4-62.el4_8.2.ia64.rpm
x86_64: krb5-debuginfo-1.3.4-62.el4_8.2.i386.rpm krb5-debuginfo-1.3.4-62.el4_8.2.x86_64.rpm krb5-devel-1.3.4-62.el4_8.2.x86_64.rpm krb5-libs-1.3.4-62.el4_8.2.i386.rpm krb5-libs-1.3.4-62.el4_8.2.x86_64.rpm krb5-server-1.3.4-62.el4_8.2.x86_64.rpm krb5-workstation-1.3.4-62.el4_8.2.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 5 client):
Source: krb5-1.6.1-36.el5_5.4.src.rpm
i386: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-devel-1.6.1-36.el5_5.4.i386.rpm krb5-libs-1.6.1-36.el5_5.4.i386.rpm krb5-server-1.6.1-36.el5_5.4.i386.rpm krb5-workstation-1.6.1-36.el5_5.4.i386.rpm
x86_64: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-debuginfo-1.6.1-36.el5_5.4.x86_64.rpm krb5-libs-1.6.1-36.el5_5.4.i386.rpm krb5-libs-1.6.1-36.el5_5.4.x86_64.rpm krb5-workstation-1.6.1-36.el5_5.4.x86_64.rpm
RHEL Desktop Workstation (v. 5 client):
Source: krb5-1.6.1-36.el5_5.4.src.rpm
i386: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-devel-1.6.1-36.el5_5.4.i386.rpm krb5-server-1.6.1-36.el5_5.4.i386.rpm
x86_64: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-debuginfo-1.6.1-36.el5_5.4.x86_64.rpm krb5-devel-1.6.1-36.el5_5.4.i386.rpm krb5-devel-1.6.1-36.el5_5.4.x86_64.rpm krb5-server-1.6.1-36.el5_5.4.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: krb5-1.6.1-36.el5_5.4.src.rpm
i386: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-devel-1.6.1-36.el5_5.4.i386.rpm krb5-libs-1.6.1-36.el5_5.4.i386.rpm krb5-server-1.6.1-36.el5_5.4.i386.rpm krb5-workstation-1.6.1-36.el5_5.4.i386.rpm
ia64: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-debuginfo-1.6.1-36.el5_5.4.ia64.rpm krb5-devel-1.6.1-36.el5_5.4.ia64.rpm krb5-libs-1.6.1-36.el5_5.4.i386.rpm krb5-libs-1.6.1-36.el5_5.4.ia64.rpm krb5-server-1.6.1-36.el5_5.4.ia64.rpm krb5-workstation-1.6.1-36.el5_5.4.ia64.rpm
ppc: krb5-debuginfo-1.6.1-36.el5_5.4.ppc.rpm krb5-debuginfo-1.6.1-36.el5_5.4.ppc64.rpm krb5-devel-1.6.1-36.el5_5.4.ppc.rpm krb5-devel-1.6.1-36.el5_5.4.ppc64.rpm krb5-libs-1.6.1-36.el5_5.4.ppc.rpm krb5-libs-1.6.1-36.el5_5.4.ppc64.rpm krb5-server-1.6.1-36.el5_5.4.ppc.rpm krb5-workstation-1.6.1-36.el5_5.4.ppc.rpm
s390x: krb5-debuginfo-1.6.1-36.el5_5.4.s390.rpm krb5-debuginfo-1.6.1-36.el5_5.4.s390x.rpm krb5-devel-1.6.1-36.el5_5.4.s390.rpm krb5-devel-1.6.1-36.el5_5.4.s390x.rpm krb5-libs-1.6.1-36.el5_5.4.s390.rpm krb5-libs-1.6.1-36.el5_5.4.s390x.rpm krb5-server-1.6.1-36.el5_5.4.s390x.rpm krb5-workstation-1.6.1-36.el5_5.4.s390x.rpm
x86_64: krb5-debuginfo-1.6.1-36.el5_5.4.i386.rpm krb5-debuginfo-1.6.1-36.el5_5.4.x86_64.rpm krb5-devel-1.6.1-36.el5_5.4.i386.rpm krb5-devel-1.6.1-36.el5_5.4.x86_64.rpm krb5-libs-1.6.1-36.el5_5.4.i386.rpm krb5-libs-1.6.1-36.el5_5.4.x86_64.rpm krb5-server-1.6.1-36.el5_5.4.x86_64.rpm krb5-workstation-1.6.1-36.el5_5.4.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:
https://www.redhat.com/security/data/cve/CVE-2010-1321.html http://www.redhat.com/security/updates/classification/#important http://web.mit.edu/Kerberos/advisories/MITKRB5-SA-2010-005.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)
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