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Test ID:1.3.6.1.4.1.25623.1.0.66688
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2010:0029
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2010:0029.

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 integer underflow flaws, leading to heap-based corruption, were
found in the way the MIT Kerberos Key Distribution Center (KDC) decrypted
ciphertexts encrypted with the Advanced Encryption Standard (AES) and
ARCFOUR (RC4) encryption algorithms. If a remote KDC client were able to
provide a specially-crafted AES- or RC4-encrypted ciphertext or texts, it
could potentially lead to either a denial of service of the central KDC
(KDC crash or abort upon processing the crafted ciphertext), or arbitrary
code execution with the privileges of the KDC (i.e., root privileges).
(CVE-2009-4212)

All krb5 users should upgrade to these updated packages, which contain a
backported patch 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-2010-0029.html
http://www.redhat.com/security/updates/classification/#critical
http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2009-004.txt

Risk factor : Critical

CVSS Score:
10.0

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2009-4212
http://lists.apple.com/archives/security-announce/2010//Jun/msg00001.html
BugTraq ID: 37749
http://www.securityfocus.com/bid/37749
Debian Security Information: DSA-1969 (Google Search)
http://www.debian.org/security/2010/dsa-1969
http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033915.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-January/033919.html
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-2010:006
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11272
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7357
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8192
RedHat Security Advisories: RHSA-2010:0029
https://rhn.redhat.com/errata/RHSA-2010-0029.html
RedHat Security Advisories: RHSA-2010:0095
https://rhn.redhat.com/errata/RHSA-2010-0095.html
http://www.securitytracker.com/id?1023440
http://secunia.com/advisories/38080
http://secunia.com/advisories/38108
http://secunia.com/advisories/38126
http://secunia.com/advisories/38140
http://secunia.com/advisories/38184
http://secunia.com/advisories/38203
http://secunia.com/advisories/38696
http://secunia.com/advisories/40220
http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021779.1-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-275530-1
http://ubuntu.com/usn/usn-881-1
http://www.vupen.com/english/advisories/2010/0096
http://www.vupen.com/english/advisories/2010/0129
http://www.vupen.com/english/advisories/2010/1481
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