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Test ID:1.3.6.1.4.1.25623.1.0.69597
Category:FreeBSD Local Security Checks
Title:FreeBSD Ports: krb5
Summary:FreeBSD Ports: krb5
Description:The remote host is missing an update to the system
as announced in the referenced advisory.

The following package is affected: krb5

CVE-2011-0281
The unparse implementation in the Key Distribution Center (KDC) in MIT
Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used,
allows remote attackers to cause a denial of service (file descriptor
exhaustion and daemon hang) via a principal name that triggers use of
a backslash escape sequence, as demonstrated by a \n sequence.

CVE-2011-0282
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x
through 1.9, when an LDAP backend is used, allows remote attackers to
cause a denial of service (NULL pointer dereference or buffer
over-read, and daemon crash) via a crafted principal name.

CVE-2011-0283
The Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9
allows remote attackers to cause a denial of service (NULL pointer
dereference and daemon crash) via a malformed request packet that does
not trigger a response packet.

Solution:
Update your system with the appropriate patches or
software upgrades.

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-002.txt
http://www.vuxml.org/freebsd/4ab413ea-66ce-11e0-bf05-d445f3aa24f0.html
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-0281
Bugtraq: 20110208 MITKRB5-SA-2011-002 KDC denial of service attacks [CVE-2011-0281 CVE-2011-0282 CVE-2011-0283] (Google Search)
http://www.securityfocus.com/archive/1/archive/1/516299/100/0/threaded
Bugtraq: 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console (Google Search)
http://www.securityfocus.com/archive/1/archive/1/520102/100/0/threaded
http://mailman.mit.edu/pipermail/kerberos/2010-December/016800.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:024
http://www.mandriva.com/security/advisories?name=MDVSA-2011:025
http://www.redhat.com/support/errata/RHSA-2011-0199.html
http://www.redhat.com/support/errata/RHSA-2011-0200.html
SuSE Security Announcement: SUSE-SR:2011:004 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00004.html
BugTraq ID: 46265
http://www.securityfocus.com/bid/46265
http://www.securitytracker.com/id?1025037
http://secunia.com/advisories/43260
http://secunia.com/advisories/43273
http://secunia.com/advisories/43275
http://secunia.com/advisories/46397
http://securityreason.com/securityalert/8073
http://www.vupen.com/english/advisories/2011/0330
http://www.vupen.com/english/advisories/2011/0333
http://www.vupen.com/english/advisories/2011/0347
http://www.vupen.com/english/advisories/2011/0464
XForce ISS Database: kerberos-ldap-descriptor-dos(65324)
http://xforce.iss.net/xforce/xfdb/65324
Common Vulnerability Exposure (CVE) ID: CVE-2011-0282
BugTraq ID: 46271
http://www.securityfocus.com/bid/46271
XForce ISS Database: kerberos-ldap-dos(65323)
http://xforce.iss.net/xforce/xfdb/65323
Common Vulnerability Exposure (CVE) ID: CVE-2011-0283
BugTraq ID: 46272
http://www.securityfocus.com/bid/46272
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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