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Vulnerability of PHP: information disclosure via __Host- Cookie Names

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via __Host- Cookie Names of PHP, in order to obtain sensitive information.
Impacted systems: Debian, Fedora, openSUSE Leap, Solaris, PHP, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Creation date: 01/10/2020.
Références of this alert: CERTFR-2020-AVI-615, CVE-2020-7070, DLA-2397-1, FEDORA-2020-4fe6b116e5, FEDORA-2020-94763cb98b, openSUSE-SU-2020:1703-1, openSUSE-SU-2020:1767-1, SUSE-SU-2020:14516-1, SUSE-SU-2020:2894-1, SUSE-SU-2020:2896-1, SUSE-SU-2020:2920-1, SUSE-SU-2020:2941-1, SUSE-SU-2020:2943-1, SUSE-SU-2020:2997-1, USN-4583-1, USN-4583-2, VIGILANCE-VUL-33467.

Description of the vulnerability 

An attacker can bypass access restrictions to data via __Host- Cookie Names of PHP, in order to obtain sensitive information.
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This computer threat bulletin impacts software or systems such as Debian, Fedora, openSUSE Leap, Solaris, PHP, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this security threat is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this computer vulnerability alert.

Solutions for this threat 

PHP: version 7.4.11.
The version 7.4.11 is fixed:
  https://www.php.net/downloads

PHP: version 7.3.23.
The version 7.3.23 is fixed:
  https://www.php.net/downloads

PHP: version 7.2.34.
The version 7.2.34 is fixed:
  https://www.php.net/downloads

Debian 9: new php7.0 packages.
New packages are available:
  Debian 9: php7.0 7.0.33-0+deb9u10

Fedora 31-32: new php packages.
New packages are available:
  Fedora 31: php 7.3.23-1.fc31
  Fedora 32: php 7.4.11-1.fc32

openSUSE Leap 15.1: new php7 packages.
New packages are available:
  openSUSE Leap 15.1: apache2-mod_php7 7.2.5-lp151.6.36.7, php7 7.2.5-lp151.6.36.7

openSUSE Leap 15.2: new php7 packages.
New packages are available:
  openSUSE Leap 15.2: apache2-mod_php7 7.4.6-lp152.2.9.1, php7 7.4.6-lp152.2.9.1

Oracle Solaris: patch for third party software of October 2020 v3.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 11 SP3-4: new php53 packages.
New packages are available:
  SUSE LE 11 SP3: apache2-mod_php53 5.3.17-112.93.1, php53 5.3.17-112.93.1
  SUSE LE 11 SP4: apache2-mod_php53 5.3.17-112.93.1, php53 5.3.17-112.93.1

SUSE LE 12: new php5 packages.
New packages are available:
  SUSE LE 12 RTM: apache2-mod_php5 5.5.14-109.82.1, php5 5.5.14-109.82.1

SUSE LE 12: new php72 packages.
New packages are available:
  SUSE LE 12 RTM: apache2-mod_php72 7.2.5-1.54.1, php72 7.2.5-1.54.1

SUSE LE 12: new php74 packages.
New packages are available:
  SUSE LE 12 RTM: apache2-mod_php74 7.4.6-1.13.1, php74 7.4.6-1.13.1

SUSE LE 12: new php7 packages.
New packages are available:
  SUSE LE 12 RTM: apache2-mod_php7 7.0.7-50.102.1, php7 7.0.7-50.102.1

SUSE LE 15 RTM-SP1: new php7 packages.
New packages are available:
  SUSE LE 15 RTM: apache2-mod_php7 7.2.5-4.67.2, php7 7.2.5-4.67.2

SUSE LE 15 SP2: new php7 packages.
New packages are available:
  SUSE LE 15 SP2: apache2-mod_php7 7.4.6-3.11.1, php7 7.4.6-3.11.1

Ubuntu: new php packages.
New packages are available:
  Ubuntu 20.10: libapache2-mod-php7.4 7.4.9-1ubuntu1.1, php7.4-cgi 7.4.9-1ubuntu1.1
  Ubuntu 20.04 LTS: libapache2-mod-php7.4 7.4.3-4ubuntu2.4, php7.4 7.4.3-4ubuntu2.4
  Ubuntu 18.04 LTS: libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.7, php7.2 7.2.24-0ubuntu0.18.04.7
  Ubuntu 16.04 LTS: libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.16, php7.0 7.0.33-0ubuntu0.16.04.16
  Ubuntu 14.04 ESM: libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm13, php5 5.5.9+dfsg-1ubuntu4.29+esm13
  Ubuntu 12.04 ESM: libapache2-mod-php5 5.3.10-1ubuntu3.48, php5 5.3.10-1ubuntu3.48

Wind River Linux: version 10.18.44.20.
The version 10.18.44.20 is fixed:
  https://support2.windriver.com/index.php?page=cve&on=list&show=50&product_id=1&product_version%5B0%5D=23&id_status%5B0%5D=4&cve_id_filter=&s=&submit=&order_by=cve_modified_date&order_way=desc#list

Wind River Linux: version 10.19.45.13.
The version 10.19.45.13 is fixed:
  https://support2.windriver.com/index.php?page=cve&on=list&show=50&product_id=1&product_version%5B0%5D=24&id_status%5B0%5D=4&cve_id_filter=&s=&submit=&order_by=cve_modified_date&order_way=desc#list
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