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Test ID:1.3.6.1.4.1.25623.1.0.60726
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2008:0181
Summary:Redhat Security Advisory RHSA-2008:0181
Description:
The remote host is missing updates announced in
advisory RHSA-2008:0181.

Kerberos is a network authentication system which allows clients and
servers to authenticate to each other through use of symmetric encryption
and a trusted third party, the KDC.

A flaw was found in the way the MIT Kerberos Authentication Service and Key
Distribution Center server (krb5kdc) handled Kerberos v4 protocol packets.
An unauthenticated remote attacker could use this flaw to crash the
krb5kdc daemon, disclose portions of its memory, or possibly execute
arbitrary code using malformed or truncated Kerberos v4 protocol
requests. (CVE-2008-0062, CVE-2008-0063)

This issue only affected krb5kdc with Kerberos v4 protocol compatibility
enabled, which is the default setting on Red Hat Enterprise Linux 4.
Kerberos v4 protocol support can be disabled by adding v4_mode=none
(without the quotes) to the [kdcdefaults] section of
/var/kerberos/krb5kdc/kdc.conf.

A flaw was found in the RPC library used by the MIT Kerberos kadmind
server. An unauthenticated remote attacker could use this flaw to crash
kadmind. This issue only affected systems with certain resource limits
configured and did not affect systems using default resource limits used by
Red Hat Enterprise Linux 2.1 or 3. (CVE-2008-0948)

Red Hat would like to thank MIT for reporting these issues.

All krb5 users are advised to update to these erratum packages which
contain backported fixes to correct these issues.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2008-0181.html
http://www.redhat.com/security/updates/classification/#critical

Risk factor : Critical
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2008-0062
Bugtraq: 20080318 MITKRB5-SA-2008-001: double-free, uninitialized data vulnerabilities in krb5kdc (Google Search)
http://www.securityfocus.com/archive/1/489761
Bugtraq: 20080319 rPSA-2008-0112-1 krb5 krb5-server krb5-services krb5-test krb5-workstation (Google Search)
http://www.securityfocus.com/archive/1/archive/1/489883/100/0/threaded
Bugtraq: 20080604 VMSA-2008-0009 Updates to VMware Workstation, VMware Player, VMware ACE, VMware Fusion, VMware Server, VMware VIX API, VMware ESX, VMware ESXi resolve critical security issues (Google Search)
http://www.securityfocus.com/archive/1/archive/1/493080/100/0/threaded
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
Debian Security Information: DSA-1524 (Google Search)
http://www.debian.org/security/2008/dsa-1524
https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00537.html
https://www.redhat.com/archives/fedora-package-announce/2008-March/msg00544.html
http://www.gentoo.org/security/en/glsa/glsa-200803-31.xml
HPdes Security Advisory: HPSBOV02682
http://marc.info/?l=bugtraq&m=130497213107107&w=2
HPdes Security Advisory: SSRT100495
http://www.mandriva.com/security/advisories?name=MDVSA-2008:070
http://www.mandriva.com/security/advisories?name=MDVSA-2008:071
http://www.mandriva.com/security/advisories?name=MDVSA-2008:069
http://www.redhat.com/support/errata/RHSA-2008-0164.html
http://www.redhat.com/support/errata/RHSA-2008-0180.html
http://www.redhat.com/support/errata/RHSA-2008-0181.html
http://www.redhat.com/support/errata/RHSA-2008-0182.html
SuSE Security Announcement: SUSE-SA:2008:016 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2008-03/msg00006.html
http://www.ubuntu.com/usn/usn-587-1
CERT/CC vulnerability note: VU#895609
http://www.kb.cert.org/vuls/id/895609
BugTraq ID: 28303
http://www.securityfocus.com/bid/28303
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9496
http://www.vupen.com/english/advisories/2008/0922/references
http://www.vupen.com/english/advisories/2008/0924/references
http://www.vupen.com/english/advisories/2008/1102/references
http://www.vupen.com/english/advisories/2008/1744
http://www.securitytracker.com/id?1019626
http://secunia.com/advisories/29428
http://secunia.com/advisories/29438
http://secunia.com/advisories/29420
http://secunia.com/advisories/29435
http://secunia.com/advisories/29450
http://secunia.com/advisories/29451
http://secunia.com/advisories/29457
http://secunia.com/advisories/29464
http://secunia.com/advisories/29423
http://secunia.com/advisories/29462
http://secunia.com/advisories/29516
http://secunia.com/advisories/29663
http://secunia.com/advisories/29424
http://secunia.com/advisories/30535
XForce ISS Database: krb5-kdc-code-execution(41275)
http://xforce.iss.net/xforce/xfdb/41275
Common Vulnerability Exposure (CVE) ID: CVE-2008-0063
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8916
http://www.securitytracker.com/id?1019627
XForce ISS Database: krb5-kdc-kerberos4-info-disclosure(41277)
http://xforce.iss.net/xforce/xfdb/41277
Common Vulnerability Exposure (CVE) ID: CVE-2008-0948
http://www.securityfocus.com/archive/1/archive/1/489762/100/0/threaded
Bugtraq: 20080318 MITKRB5-SA-2008-002: array overrun in RPC library used by kadmin (resend, corrected subject) (Google Search)
http://www.securityfocus.com/archive/1/archive/1/489784/100/0/threaded
Cert/CC Advisory: TA08-079B
http://www.us-cert.gov/cas/techalerts/TA08-079B.html
CERT/CC vulnerability note: VU#374121
http://www.kb.cert.org/vuls/id/374121
BugTraq ID: 28302
http://www.securityfocus.com/bid/28302
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:9209
http://www.securitytracker.com/id?1019631
http://securityreason.com/securityalert/3752
XForce ISS Database: krb5-rpclibrary-fdsetsize-bo(41274)
http://xforce.iss.net/xforce/xfdb/41274
CopyrightCopyright (c) 2008 E-Soft Inc. http://www.securityspace.com

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