Debian: DSA-3209-1: openldap security update

    Date30 Mar 2015
    CategoryDebian
    64
    Posted ByLinuxSecurity Advisories
    Multiple vulnerabilities were found in OpenLDAP, a free implementation of the Lightweight Directory Access Protocol. CVE-2013-4449
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    Debian Security Advisory DSA-3209-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    http://www.debian.org/security/                         Yves-Alexis Perez
    March 30, 2015                         http://www.debian.org/security/faq
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    Package        : openldap
    CVE ID         : CVE-2013-4449 CVE-2014-9713 CVE-2015-1545
    Debian Bug     : 729367 761406 776988
    
    Multiple vulnerabilities were found in OpenLDAP, a free implementation
    of the Lightweight Directory Access Protocol.
    
    CVE-2013-4449
    
        Michael Vishchers from Seven Principles AG discovered a denial of
        service vulnerability in slapd, the directory server implementation.
        When the server is configured to used the RWM overlay, an attacker
        can make it crash by unbinding just after connecting, because of an
        issue with reference counting.
    
    CVE-2014-9713
    
        The default Debian configuration of the directory database allows
        every users to edit their own attributes. When LDAP directories are
        used for access control, and this is done using user attributes, an
        authenticated user can leverage this to gain access to unauthorized
        resources.
        .
        Please note this is a Debian specific vulnerability.
        .
        The new package won't use the unsafe access control rule for new
        databases, but existing configurations won't be automatically
        modified. Administrators are incited to look at the README.Debian
        file provided by the updated package if they need to fix the access
        control rule.
    
    CVE-2015-1545
    
         Ryan Tandy discovered a denial of service vulnerability in slapd.
         When using the deref overlay, providing an empty attribute list in
         a query makes the daemon crashes.
    
    For the stable distribution (wheezy), these problems have been fixed in
    version 2.4.31-2.
    
    For the upcoming stable distribution (jessie), these problems have been
    fixed in version 2.4.40-4.
    
    For the unstable distribution (sid), these problems have been fixed in
    version 2.4.40-4.
    
    We recommend that you upgrade your openldap packages.
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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