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ubuntuUbuntuUSN-1062-1
HistoryFeb 15, 2011 - 12:00 a.m.

Kerberos vulnerabilities

2011-02-1500:00:00
ubuntu.com
29

7 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.146 Low

EPSS

Percentile

95.7%

Releases

  • Ubuntu 10.10
  • Ubuntu 10.04
  • Ubuntu 9.10
  • Ubuntu 8.04

Packages

  • krb5 -

Details

Keiichi Mori discovered that the MIT krb5 KDC database propagation
daemon (kpropd) is vulnerable to a denial of service attack due
to improper logic when a worker child process exited because
of invalid network input. This could only occur when kpropd is
running in standalone mode; kpropd was not affected when running in
incremental propagation mode (“iprop”) or as an inetd server. This
issue only affects Ubuntu 9.10, Ubuntu 10.04 LTS, and Ubuntu
10.10. (CVE-2010-4022)

Kevin Longfellow and others discovered that the MIT krb5 Key
Distribution Center (KDC) daemon is vulnerable to denial of service
attacks when using an LDAP back end due to improper handling of
network input. (CVE-2011-0281, CVE-2011-0282)

OSVersionArchitecturePackageVersionFilename
Ubuntu9.10noarchkrb5-kdc-ldap< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-admin-server< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-clients< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-ftpd< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-kdc< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-pkinit< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-rsh-server< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-telnetd< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchkrb5-user< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Ubuntu9.10noarchlibgssapi-krb5-2< 1.7dfsg~beta3-1ubuntu0.9UNKNOWN
Rows per page:
1-10 of 631

7 High

AI Score

Confidence

High

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.146 Low

EPSS

Percentile

95.7%