ID CVE-2011-0282
Summary 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. Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'
References
Vulnerable Configurations
  • cpe:2.3:a:mit:kerberos:5-1.6.3:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos:5-1.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.6:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.7:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.8:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.8.3:*:*:*:*:*:*:*
  • cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*
    cpe:2.3:a:mit:kerberos_5:1.9:*:*:*:*:*:*:*
CVSS
Base: 5.0 (as of 10-10-2018 - 20:09)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
NETWORK LOW NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:L/Au:N/C:N/I:N/A:P
redhat via4
advisories
  • bugzilla
    id 668726
    title CVE-2011-0282 krb5: KDC crash when using LDAP backend caused by a special principal name (MITKRB5-SA-2011-002)
    oval
    AND
    • comment Red Hat Enterprise Linux 5 is installed
      oval oval:com.redhat.rhba:tst:20070331001
    • OR
      • AND
        • comment krb5-devel is earlier than 0:1.6.1-55.el5_6.1
          oval oval:com.redhat.rhsa:tst:20110199008
        • comment krb5-devel is signed with Red Hat redhatrelease key
          oval oval:com.redhat.rhsa:tst:20070095021
      • AND
        • comment krb5-libs is earlier than 0:1.6.1-55.el5_6.1
          oval oval:com.redhat.rhsa:tst:20110199006
        • comment krb5-libs is signed with Red Hat redhatrelease key
          oval oval:com.redhat.rhsa:tst:20070095019
      • AND
        • comment krb5-server is earlier than 0:1.6.1-55.el5_6.1
          oval oval:com.redhat.rhsa:tst:20110199004
        • comment krb5-server is signed with Red Hat redhatrelease key
          oval oval:com.redhat.rhsa:tst:20070095023
      • AND
        • comment krb5-server-ldap is earlier than 0:1.6.1-55.el5_6.1
          oval oval:com.redhat.rhsa:tst:20110199010
        • comment krb5-server-ldap is signed with Red Hat redhatrelease key
          oval oval:com.redhat.rhsa:tst:20110199011
      • AND
        • comment krb5-workstation is earlier than 0:1.6.1-55.el5_6.1
          oval oval:com.redhat.rhsa:tst:20110199002
        • comment krb5-workstation is signed with Red Hat redhatrelease key
          oval oval:com.redhat.rhsa:tst:20070095017
    rhsa
    id RHSA-2011:0199
    released 2011-02-08
    severity Important
    title RHSA-2011:0199: krb5 security update (Important)
  • bugzilla
    id 668726
    title CVE-2011-0282 krb5: KDC crash when using LDAP backend caused by a special principal name (MITKRB5-SA-2011-002)
    oval
    AND
    • OR
      • comment Red Hat Enterprise Linux 6 Client is installed
        oval oval:com.redhat.rhba:tst:20111656001
      • comment Red Hat Enterprise Linux 6 Server is installed
        oval oval:com.redhat.rhba:tst:20111656002
      • comment Red Hat Enterprise Linux 6 Workstation is installed
        oval oval:com.redhat.rhba:tst:20111656003
      • comment Red Hat Enterprise Linux 6 ComputeNode is installed
        oval oval:com.redhat.rhba:tst:20111656004
    • OR
      • AND
        • comment krb5-devel is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200011
        • comment krb5-devel is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863012
      • AND
        • comment krb5-libs is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200005
        • comment krb5-libs is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863016
      • AND
        • comment krb5-pkinit-openssl is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200013
        • comment krb5-pkinit-openssl is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863008
      • AND
        • comment krb5-server is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200015
        • comment krb5-server is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863010
      • AND
        • comment krb5-server-ldap is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200009
        • comment krb5-server-ldap is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863006
      • AND
        • comment krb5-workstation is earlier than 0:1.8.2-3.el6_0.4
          oval oval:com.redhat.rhsa:tst:20110200007
        • comment krb5-workstation is signed with Red Hat redhatrelease2 key
          oval oval:com.redhat.rhsa:tst:20100863014
    rhsa
    id RHSA-2011:0200
    released 2011-02-08
    severity Important
    title RHSA-2011:0200: krb5 security update (Important)
rpms
  • krb5-devel-0:1.6.1-55.el5_6.1
  • krb5-libs-0:1.6.1-55.el5_6.1
  • krb5-server-0:1.6.1-55.el5_6.1
  • krb5-server-ldap-0:1.6.1-55.el5_6.1
  • krb5-workstation-0:1.6.1-55.el5_6.1
  • krb5-devel-0:1.8.2-3.el6_0.4
  • krb5-libs-0:1.8.2-3.el6_0.4
  • krb5-pkinit-openssl-0:1.8.2-3.el6_0.4
  • krb5-server-0:1.8.2-3.el6_0.4
  • krb5-server-ldap-0:1.8.2-3.el6_0.4
  • krb5-workstation-0:1.8.2-3.el6_0.4
refmap via4
bid 46271
bugtraq
  • 20110208 MITKRB5-SA-2011-002 KDC denial of service attacks [CVE-2011-0281 CVE-2011-0282 CVE-2011-0283]
  • 20111013 VMSA-2011-0012 VMware ESXi and ESX updates to third party libraries and ESX Service Console
confirm
mandriva
  • MDVSA-2011:024
  • MDVSA-2011:025
sectrack 1025037
secunia
  • 43260
  • 43273
  • 43275
  • 46397
sreason 8073
suse SUSE-SR:2011:004
vupen
  • ADV-2011-0330
  • ADV-2011-0333
  • ADV-2011-0347
  • ADV-2011-0464
xf kerberos-ldap-dos(65323)
Last major update 10-10-2018 - 20:09
Published 10-02-2011 - 18:00
Last modified 21-01-2020 - 15:46
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