OpenLDAP slapd could allow an attacker to delete attributes from an object

openldap-slapd-delete-attributes (7978) The risk level is classified as MediumMedium Risk

Description:

A vulnerability in slapd in OpenLDAP could allow an authenticated remote attacker to bypass access control lists by submitting a request to replace an attribute in a user object with an empty attribute, causing the attribute to be deleted.


Consequences:

Data Manipulation

Remedy:

Upgrade to the latest version of OpenLDAP (2.0.21 or later), available from the OpenLDAP Web site. See References.

For Red Hat Linux 7.0 and 7.1:
Upgrade to the latest version of OpenLDAP (2.0.21-0.7.1 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:014-07. See References.

For Red Hat Linux 7.2:
Upgrade to the latest version of OpenLDAP (2.0.21-1 or later), as listed in Red Hat Linux Errata Advisory RHSA-2002:014-07. See References.

For HP Secure OS Software for Linux 1.0:
Apply the RPMs from RHSA-2002-014 for your system, as listed in Hewlett-Packard Company Security Bulletin HPSBTL0201-020. See References.

For Conectiva Linux 6.0:
Upgrade to the latest version of OpenLDAP (2.0.21-1U60_1cl or later), as listed in Conectiva Linux Security Announcement CLA-2002:459. See References.

For Conectiva Linux 7.0:
Upgrade to the latest version of OpenLDAP (2.0.21-1U70_2cl or later), as listed in Conectiva Linux Security Announcement CLA-2002:459. See References.

For Mandrake Linux 8.0 and 8.1:
Upgrade to the latest version of OpenLDAP (2.0.21-1.1mdk or later), as listed in MandrakeSoft Security Advisory MDKSA-2002:013 : openldap. See References.

For Caldera OpenLinux eServer 2.3.1 and eBuilder:
Upgrade to the latest version of OpenLDAP (2.0.11-11S or later), as listed in Caldera International, Inc. Security Advisory CSSA-2002-001.0. See References.

For Caldera OpenLinux 3.1 IA64 and Caldera OpenLinux Server and Workstation 3.1 and 3.1.1:
Upgrade to the latest version of OpenLDAP (2.0.11-11 or later), as listed in Caldera International, Inc. Security Advisory CSSA-2002-001.0. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

Platforms Affected:

  • Conectiva Linux 6.0
  • Conectiva Linux 7.0
  • HP Secure OS 1.0
  • MandrakeSoft Mandrake Linux 8.0
  • MandrakeSoft Mandrake Linux 8.1
  • OpenLDAP OpenLDAP 2.0.0 - 2.0.19
  • RedHat Linux 7
  • RedHat Linux 7.1
  • RedHat Linux 7.2
  • RedHat Linux 7.3
  • SCO Caldera OpenLinux 3.1 IA64
  • SCO Caldera OpenLinux eBuilder
  • SCO Caldera OpenLinux eServer 2.3.1
  • SCO Caldera OpenLinux Server 3.1
  • SCO Caldera OpenLinux Server 3.1.1
  • SCO Caldera OpenLinux Workstation 3.1
  • SCO Caldera OpenLinux Workstation 3.1.1

Reported:

Jan 14, 2002

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