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Vulnerability of Rails: code execution via Cache Store Deserialization

Synthesis of the vulnerability 

An attacker can use a vulnerability via Cache Store Deserialization of Rails, in order to run code.
Vulnerable systems: Debian, openSUSE Leap, SLES.
Severity of this threat: 3/4.
Creation date: 22/06/2020.
Références of this weakness: CVE-2020-8165, DLA-2251-1, DLA-2282-1, DSA-4766-1, openSUSE-SU-2020:1677-1, openSUSE-SU-2020:1679-1, openSUSE-SU-2020:1993-1, openSUSE-SU-2020:2000-1, SUSE-SU-2020:2899-1, SUSE-SU-2020:3036-1, SUSE-SU-2020:3147-1, SUSE-SU-2020:3160-1, VIGILANCE-VUL-32594.

Description of the vulnerability 

An attacker can use a vulnerability via Cache Store Deserialization of Rails, in order to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This computer vulnerability announce impacts software or systems such as Debian, openSUSE Leap, SLES.

Our Vigil@nce team determined that the severity of this cybersecurity bulletin is important.

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

An attacker with a expert ability can exploit this threat alert.

Solutions for this threat 

Debian 10: new rails packages.
New packages are available:
  Debian 10: rails 2:5.2.2.1+dfsg-1+deb10u2

Debian 8: new rails packages.
New packages are available:
  Debian 8: rails 2:4.1.8-1+deb8u7

Debian 9: new rails packages.
New packages are available:
  Debian 9: rails 2:4.2.7.1-1+deb9u3

openSUSE Leap 15.1: new rmt-server packages (24/11/2020).
New packages are available:
  openSUSE Leap 15.1: rmt-server 2.6.5-lp151.2.18.2

openSUSE Leap 15.2: new rmt-server packages.
New packages are available:
  openSUSE Leap 15.2: rmt-server 2.6.5-lp152.2.3.1

openSUSE Leap 15: new rubygem-activesupport-5_1 packages.
New packages are available:
  openSUSE Leap 15.1: ruby2.5-rubygem-activesupport-5_1 5.1.4-lp151.3.3.1
  openSUSE Leap 15.2: ruby2.5-rubygem-activesupport-5_1 5.1.4-lp152.4.3.1

Redmine: version 4.0.8.
The version 4.0.8 is fixed:
  https://www.redmine.org/projects/redmine/wiki/Download
  https://www.redmine.org/versions/161

Redmine: version 4.1.2.
The version 4.1.2 is fixed:
  https://www.redmine.org/versions/162

SUSE LE 15: new rubygem-activesupport-5_1 packages.
New packages are available:
  SUSE LE 15 RTM: ruby2.5-rubygem-activesupport-5_1 5.1.4-3.3.1
  SUSE LE 15 SP1: ruby2.5-rubygem-activesupport-5_1 5.1.4-3.3.1
  SUSE LE 15 SP2: ruby2.5-rubygem-activesupport-5_1 5.1.4-3.3.1

SUSE LE 15 RTM: new rmt-server packages.
New packages are available:
  SUSE LE 15 RTM: rmt-server 2.6.5-3.34.1

SUSE LE 15 SP1: new rmt-server packages (05/11/2020).
New packages are available:
  SUSE LE 15 SP1: rmt-server 2.6.5-3.18.1

SUSE LE 15 SP2: new rmt-server packages.
New packages are available:
  SUSE LE 15 SP2: rmt-server 2.6.5-3.3.1
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

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