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Vulnerability of Apache Tomcat: information disclosure via Cache Poisoning

Synthesis of the vulnerability 

An attacker can bypass access restrictions to data via Cache Poisoning of Apache Tomcat, in order to obtain sensitive information.
Impacted software: Tomcat, Debian, Fedora, HP-UX, openSUSE Leap, Oracle Fusion Middleware, Solaris, Tuxedo, WebLogic, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 11/08/2017.
Références of this announce: bulletinoct2017, cpuapr2018, CVE-2017-7674, DLA-1400-1, DLA-1400-2, DSA-3974-1, FEDORA-2017-a00a087fd4, FEDORA-2017-ab0def38cd, HPESBUX03828, openSUSE-SU-2017:3069-1, SUSE-SU-2017:3039-1, SUSE-SU-2017:3059-1, SUSE-SU-2017:3279-1, USN-3519-1, VIGILANCE-VUL-23500.

Description of the vulnerability 

An attacker can bypass access restrictions to data via Cache Poisoning of Apache Tomcat, in order to obtain sensitive information.
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This vulnerability bulletin impacts software or systems such as Tomcat, Debian, Fedora, HP-UX, openSUSE Leap, Oracle Fusion Middleware, Solaris, Tuxedo, WebLogic, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

An attacker with a expert ability can exploit this cybersecurity note.

Solutions for this threat 

Apache Tomcat: version 8.5.16.
The version 8.5.16 is fixed:
  http://tomcat.apache.org/

Apache Tomcat: version 8.0.45.
The version 8.0.45 is fixed:
  http://tomcat.apache.org/

Apache Tomcat: version 7.0.79.
The version 7.0.79 is fixed:
  http://tomcat.apache.org/

Debian 8/9: new tomcat8 packages.
New packages are available:
  Debian 8: tomcat8 8.0.14-1+deb8u11
  Debian 9: tomcat8 8.5.14-1+deb9u2

Debian 8: new tomcat7 packages.
New packages are available:
  Debian 8: tomcat7 7.0.56-3+really7.0.88-2

Fedora: new tomcat packages.
New packages are available:
  Fedora 25: tomcat 8.0.46-1.fc25
  Fedora 26: tomcat 8.0.46-1.fc26

HP-UX Tomcat: version 7.0.84.01.
The version 7.0.84.01 is fixed:
  https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumber=HPUXWSATW506

openSUSE Leap: new tomcat packages.
New packages are available:
  openSUSE Leap 42.2: tomcat 8.0.43-6.13.1
  openSUSE Leap 42.3: tomcat 8.0.43-9.1

Oracle Fusion Middleware: CPU of April 2018.
A Critical Patch Update is available:
  https://support.oracle.com/rs?type=doc&id=2353306.1

Oracle Solaris: patch for third party software of October 2017 v1.
A patch is available:
  https://support.oracle.com/rs?type=doc&id=1448883.1

SUSE LE 12: new tomcat packages.
New packages are available:
  SUSE LE 12 SP1: tomcat 8.0.43-10.24.1
  SUSE LE 12 SP2: tomcat 8.0.43-29.5.1
  SUSE LE 12 SP3: tomcat 8.0.43-29.5.1

SUSE LE 12 RTM: new tomcat packages.
New packages are available:
  SUSE LE 12 RTM: tomcat 7.0.82-7.16.1

Ubuntu: new tomcat packages.
New packages are available:
  Ubuntu 17.04: tomcat8 8.0.38-2ubuntu2.2
  Ubuntu 16.04 LTS: tomcat8 8.0.32-1ubuntu1.5
  Ubuntu 14.04 LTS: tomcat7 7.0.52-1ubuntu0.13
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