ESB-2018.2583 - [UNIX/Linux][Debian] 389-ds-base: Multiple vulnerabilities 2018-08-31

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2583
                 [DLA 1483-1] 389-ds-base security update
                              31 August 2018

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           389-ds-base
Publisher:         Debian
Operating System:  Debian GNU/Linux 8
                   UNIX variants (UNIX, Linux, OSX)
Impact/Access:     Denial of Service -- Remote/Unauthenticated
                   Reduced Security  -- Existing Account      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10935 CVE-2018-10871 

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/08/msg00032.html

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running 389-ds-base check for an updated version of the software for
         their operating system.

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Package        : 389-ds-base
Version        : 1.3.3.5-4+deb8u2
CVE ID         : CVE-2018-10871 CVE-2018-10935
Debian Bug     : 906985


CVE-2018-10871

    By default nsslapd-unhashed-pw-switch was set to 'on'. So a copy of
    the unhashed password was kept in modifiers and was possibly logged in
    changelog and retroCL.

    Unless it is used by some plugin it does not require to keep unhashed
    passwords. The nsslapd-unhashed-pw-switch option is now 'off' by
    default.


CVE-2018-10935

    It was discovered that any authenticated user doing a search using
    ldapsearch with extended controls for server side sorting could bring
    down the LDAP server itself.

    The fix is to check if we are able to index the provided value. If we
    are not, then slapd_qsort returns an error (LDAP_OPERATION_ERROR) .


For Debian 8 "Jessie", these problems have been fixed in version
1.3.3.5-4+deb8u2.

We recommend that you upgrade your 389-ds-base packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS

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