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Test ID:1.3.6.1.4.1.25623.1.0.63759
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2009:0408
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2009:0408.

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). The Generic
Security Service Application Program Interface (GSS-API) definition
provides security services to callers (protocols) in a generic fashion. The
Simple and Protected GSS-API Negotiation (SPNEGO) mechanism is used by
GSS-API peers to choose from a common set of security mechanisms.

An input validation flaw was found in the ASN.1 (Abstract Syntax Notation
One) decoder used by MIT Kerberos. A remote attacker could use this flaw to
crash a network service using the MIT Kerberos library, such as kadmind or
krb5kdc, by causing it to dereference or free an uninitialized pointer.
(CVE-2009-0846)

Multiple input validation flaws were found in the MIT Kerberos GSS-API
library's implementation of the SPNEGO mechanism. A remote attacker could
use these flaws to crash any network service utilizing the MIT Kerberos
GSS-API library to authenticate users or, possibly, leak portions of the
service's memory. (CVE-2009-0844, CVE-2009-0845)

All krb5 users should upgrade to these updated packages, which contain
backported patches to correct these issues. All running services using the
MIT Kerberos libraries must be restarted for the update to take effect.

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-2009-0408.html
http://www.redhat.com/security/updates/classification/#important
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-001.txt
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-002.txt

CVSS Score:
10.0

CVSS Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-0844
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html
BugTraq ID: 34408
http://www.securityfocus.com/bid/34408
Bugtraq: 20090407 MITKRB5-SA-2009-001: multiple vulnerabilities in SPNEGO, ASN.1 decoder [CVE-2009-0844 CVE-2009-0845 CVE-2009-0847] (Google Search)
http://www.securityfocus.com/archive/1/502526/100/0/threaded
Bugtraq: 20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstation (Google Search)
http://www.securityfocus.com/archive/1/502546/100/0/threaded
Cert/CC Advisory: TA09-133A
http://www.us-cert.gov/cas/techalerts/TA09-133A.html
CERT/CC vulnerability note: VU#662091
http://www.kb.cert.org/vuls/id/662091
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00205.html
https://www.redhat.com/archives/fedora-package-announce/2009-April/msg00206.html
http://security.gentoo.org/glsa/glsa-200904-09.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2009:098
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047180.html
http://support.novell.com/docs/Readmes/InfoDocument/patchbuilder/readme_5047181.html
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6339
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9474
http://www.redhat.com/support/errata/RHSA-2009-0408.html
http://www.securitytracker.com/id?1021867
http://secunia.com/advisories/34594
http://secunia.com/advisories/34617
http://secunia.com/advisories/34622
http://secunia.com/advisories/34628
http://secunia.com/advisories/34630
http://secunia.com/advisories/34637
http://secunia.com/advisories/34640
http://secunia.com/advisories/34734
http://secunia.com/advisories/35074
http://sunsolve.sun.com/search/document.do?assetkey=1-26-256728-1
http://www.ubuntu.com/usn/usn-755-1
http://www.vupen.com/english/advisories/2009/0960
http://www.vupen.com/english/advisories/2009/0976
http://www.vupen.com/english/advisories/2009/1057
http://www.vupen.com/english/advisories/2009/1106
http://www.vupen.com/english/advisories/2009/1297
http://www.vupen.com/english/advisories/2009/2248
Common Vulnerability Exposure (CVE) ID: CVE-2009-0845
BugTraq ID: 34257
http://www.securityfocus.com/bid/34257
http://www.mandriva.com/security/advisories?name=MDVSA-2009:082
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449
http://secunia.com/advisories/34347
http://www.vupen.com/english/advisories/2009/0847
XForce ISS Database: kerberos-spnego-dos(49448)
https://exchange.xforce.ibmcloud.com/vulnerabilities/49448
Common Vulnerability Exposure (CVE) ID: CVE-2009-0846
BugTraq ID: 34409
http://www.securityfocus.com/bid/34409
Bugtraq: 20090407 MITKRB5-SA-2009-002: ASN.1 decoder frees uninitialized pointer [CVE-2009-0846] (Google Search)
http://www.securityfocus.com/archive/1/502527/100/0/threaded
Bugtraq: 20090701 VMSA-2009-0008 ESX Service Console update for krb5 (Google Search)
http://www.securityfocus.com/archive/1/504683/100/0/threaded
HPdes Security Advisory: HPSBOV02682
http://marc.info/?l=bugtraq&m=130497213107107&w=2
HPdes Security Advisory: HPSBUX02421
http://marc.info/?l=bugtraq&m=124896429301168&w=2
HPdes Security Advisory: SSRT090047
HPdes Security Advisory: SSRT100495
http://lists.vmware.com/pipermail/security-announce/2009/000059.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10694
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5483
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6301
RedHat Security Advisories: RHSA-2009:0409
http://rhn.redhat.com/errata/RHSA-2009-0409.html
RedHat Security Advisories: RHSA-2009:0410
http://rhn.redhat.com/errata/RHSA-2009-0410.html
http://www.securitytracker.com/id?1021994
http://secunia.com/advisories/34598
http://secunia.com/advisories/35667
http://www.vupen.com/english/advisories/2009/2084
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