ESB-2018.1434 - [Debian] php5: Multiple vulnerabilities 2018-05-10

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1434
                       PHP 5 patched in Debian 7 LTS
                                10 May 2018

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

Product:           php5
Publisher:         Debian
Operating System:  Debian GNU/Linux 7
Impact/Access:     Denial of Service        -- Remote/Unauthenticated      
                   Cross-site Scripting     -- Remote with User Interaction
                   Access Confidential Data -- Existing Account            
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-10548 CVE-2018-10547 CVE-2018-10545
                   CVE-2018-5712  

Reference:         ESB-2018.1372
                   ESB-2018.0796
                   ESB-2018.0433

Original Bulletin: 
   https://lists.debian.org/debian-lts-announce/2018/05/msg00004.html

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Package        : php5
Version        : 5.4.45-0+deb7u14
CVE ID         : CVE-2018-10545 CVE-2018-10547 CVE-2018-10548

Several issues have been discovered in PHP (recursive acronym for PHP:
Hypertext Preprocessor), a widely-used open source general-purpose
scripting language that is especially suited for web development and can
be embedded into HTML.

CVE-2018-10545

  Dumpable FPM child processes allow bypassing opcache access
  controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call,
  allowing one user (in a multiuser environment) to obtain sensitive
  information from the process memory of a second user's PHP
  applications by running gcore on the PID of the PHP-FPM worker
  process.

CVE-2018-10547

  There is a reflected XSS on the PHAR 403 and 404 error pages via
  request data of a request for a .phar file. NOTE: this vulnerability
  exists because of an incomplete fix for CVE-2018-5712.

CVE-2018-10548

  ext/ldap/ldap.c allows remote LDAP servers to cause a denial of
  service (NULL pointer dereference and application crash) because of
  mishandling of the ldap_get_dn return value.

For Debian 7 "Wheezy", these problems have been fixed in version
5.4.45-0+deb7u14.

We recommend that you upgrade your php5 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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