ID CVE-2011-0284
Summary Double free vulnerability in the prepare_error_as function in do_as_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.7 through 1.9, when the PKINIT feature is enabled, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via an e_data field containing typed data.
References
Vulnerable Configurations
  • 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: 7.6 (as of 10-10-2018 - 20:09)
Impact:
Exploitability:
CWE CWE-399
CAPEC
Access
VectorComplexityAuthentication
NETWORK HIGH NONE
Impact
ConfidentialityIntegrityAvailability
COMPLETE COMPLETE COMPLETE
cvss-vector via4 AV:N/AC:H/Au:N/C:C/I:C/A:C
redhat via4
advisories
bugzilla
id 674325
title CVE-2011-0284 krb5 (krb5kdc): Double-free flaw by handling error messages upon receiving certain AS_REQ's (MITKRB5-SA-2011-003)
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_0.6
        oval oval:com.redhat.rhsa:tst:20110356009
      • 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_0.6
        oval oval:com.redhat.rhsa:tst:20110356015
      • 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_0.6
        oval oval:com.redhat.rhsa:tst:20110356005
      • 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_0.6
        oval oval:com.redhat.rhsa:tst:20110356007
      • 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_0.6
        oval oval:com.redhat.rhsa:tst:20110356011
      • 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_0.6
        oval oval:com.redhat.rhsa:tst:20110356013
      • comment krb5-workstation is signed with Red Hat redhatrelease2 key
        oval oval:com.redhat.rhsa:tst:20100863014
rhsa
id RHSA-2011:0356
released 2011-03-16
severity Important
title RHSA-2011:0356: krb5 security update (Important)
rpms
  • krb5-devel-0:1.8.2-3.el6_0.6
  • krb5-libs-0:1.8.2-3.el6_0.6
  • krb5-pkinit-openssl-0:1.8.2-3.el6_0.6
  • krb5-server-0:1.8.2-3.el6_0.6
  • krb5-server-ldap-0:1.8.2-3.el6_0.6
  • krb5-workstation-0:1.8.2-3.el6_0.6
refmap via4
bid 46881
bugtraq 20110315 MITKRB5-SA-2011-003 [CVE-2011-0284] KDC double-free when PKINIT enabled
cert-vn VU#943220
confirm http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2011-003.txt
fedora
  • FEDORA-2011-3462
  • FEDORA-2011-3464
  • FEDORA-2011-3547
mandriva MDVSA-2011:048
osvdb 71183
sectrack 1025216
secunia
  • 43700
  • 43760
  • 43783
  • 43881
suse SUSE-SR:2011:005
ubuntu USN-1088-1
vupen
  • ADV-2011-0672
  • ADV-2011-0673
  • ADV-2011-0680
  • ADV-2011-0722
  • ADV-2011-0763
xf kerberos-perpareerroras-code-execution(66101)
Last major update 10-10-2018 - 20:09
Published 20-03-2011 - 02:00
Last modified 21-01-2020 - 15:46
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