7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.021 Low
EPSS
Percentile
89.3%
CentOS Errata and Security Advisory CESA-2005:767
OpenLDAP is an open source suite of LDAP (Lightweight Directory Access
Protocol) applications and development tools.
The nss_ldap module is an extension for use with GNU libc which allows
applications to, without internal modification, consult a directory service
using LDAP to supplement information that would be read from local files
such as /etc/passwd, /etc/group, and /etc/shadow.
A bug was found in the way OpenLDAP, nss_ldap, and pam_ldap refer LDAP
servers. If a client connection is referred to a different server, it is
possible that the referred connection will not be encrypted even if the
client has “ssl start_tls” in its ldap.conf file. The Common
Vulnerabilities and Exposures project has assigned the name CAN-2005-2069
to this issue.
A bug was found in the way the pam_ldap module processed certain failure
messages. If the server includes supplemental data in an authentication
failure result message, but the data does not include any specific error
code, the pam_ldap module would proceed as if the authentication request
had succeeded, and authentication would succeed. The Common Vulnerabilities
and Exposures project has assigned the name CAN-2005-2641 to this issue.
Additionally the following issues are corrected in this erratum.
The OpenLDAP upgrading documentation has been updated.
Fix a database deadlock locking issue.
A fix where slaptest segfaults on exit after successful check.
The library libslapd_db-4.2.so is now located in an
architecture-dependent directory.
The LDAP client no longer enters an infinite loop when the server returns
a reference to itself.
The pam_ldap module adds the ability to check user passwords using a
directory server to PAM-aware applications.
The directory server can now include supplemental information regarding
the state of the user’s account if a client indicates that it supports
such a feature.
All users of OpenLDAP and nss_ldap are advised to upgrade to these updated
packages, which contain backported fixes that resolve these issues.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2005-October/074457.html
https://lists.centos.org/pipermail/centos-announce/2005-October/074463.html
https://lists.centos.org/pipermail/centos-announce/2005-October/074467.html
https://lists.centos.org/pipermail/centos-announce/2005-October/074480.html
https://lists.centos.org/pipermail/centos-announce/2005-October/074481.html
Affected packages:
compat-openldap
nss_ldap
openldap
openldap-clients
openldap-devel
openldap-servers
openldap-servers-sql
Upstream details at:
https://access.redhat.com/errata/RHSA-2005:767
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 4 | ia64 | compat-openldap | < 2.1.30-4 | compat-openldap-2.1.30-4.ia64.rpm |
CentOS | 4 | ia64 | nss_ldap | < 226-10 | nss_ldap-226-10.ia64.rpm |
CentOS | 4 | ia64 | openldap | < 2.2.13-4 | openldap-2.2.13-4.ia64.rpm |
CentOS | 4 | ia64 | openldap-clients | < 2.2.13-4 | openldap-clients-2.2.13-4.ia64.rpm |
CentOS | 4 | ia64 | openldap-devel | < 2.2.13-4 | openldap-devel-2.2.13-4.ia64.rpm |
CentOS | 4 | ia64 | openldap-servers | < 2.2.13-4 | openldap-servers-2.2.13-4.ia64.rpm |
CentOS | 4 | ia64 | openldap-servers-sql | < 2.2.13-4 | openldap-servers-sql-2.2.13-4.ia64.rpm |
CentOS | 4 | alpha | compat-openldap | < 2.1.30-4 | compat-openldap-2.1.30-4.alpha.rpm |
CentOS | 4 | alpha | nss_ldap | < 226-10 | nss_ldap-226-10.alpha.rpm |
CentOS | 4 | alpha | openldap | < 2.2.13-4 | openldap-2.2.13-4.alpha.rpm |