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Vulnerability of librepo: directory traversal

Synthesis of the vulnerability 

An attacker can traverse directories of librepo, in order to override a file outside the service root path.
Impacted software: Fedora, openSUSE Leap, RHEL, SLES.
Severity of this computer vulnerability: 2/4.
Creation date: 31/08/2020.
Références of this announce: CVE-2020-14352, FEDORA-2020-5d9f0ce2b3, FEDORA-2020-7906a64449, openSUSE-SU-2020:1289-1, openSUSE-SU-2020:1428-1, RHSA-2020:3658-01, RHSA-2020:3749-01, RHSA-2020:3756-01, RHSA-2020:5012-01, VIGILANCE-VUL-33196.

Description of the vulnerability 

An attacker can traverse directories of librepo, in order to override a file outside the service root path.
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This cybersecurity vulnerability impacts software or systems such as Fedora, openSUSE Leap, RHEL, SLES.

Our Vigil@nce team determined that the severity of this vulnerability 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 weakness alert.

Solutions for this threat 

Fedora 31-32: new librepo packages.
New packages are available:
  Fedora 31: librepo 1.12.1-1.fc31
  Fedora 32: librepo 1.12.1-1.fc32

Fedora 32: new createrepo_c packages.
New packages are available:
  Fedora 32: createrepo_c 0.16.1-2.fc32

Fedora 32: new dnf packages.
New packages are available:
  Fedora 32: dnf 4.4.0-1.fc32

Fedora 32: new dnf-plugins-core packages.
New packages are available:
  Fedora 32: dnf-plugins-core 4.0.18-1.fc32

Fedora 32: new dnf-plugins-extras packages.
New packages are available:
  Fedora 32: dnf-plugins-extras 4.0.12-1.fc32

Fedora 32: new libdnf packages.
New packages are available:
  Fedora 32: libdnf 0.54.2-1.fc32

openSUSE Leap 15.2: new librepo packages.
New packages are available:
  openSUSE Leap 15.2: librepo 1.11.2-lp152.2.3.1

RHEL 7.9: new librepo packages.
New packages are available:
  RHEL 7.9: librepo 1.8.1-8.el7_9

RHEL 8.0: new librepo packages.
New packages are available:
  RHEL 8.0: librepo 1.9.2-2.el8_0

RHEL 8.1: new librepo packages.
New packages are available:
  RHEL 8.1: librepo 1.10.3-4.el8_1

RHEL 8.2: new librepo packages.
New packages are available:
  RHEL 8.2: librepo 1.11.0-3.el8_2

SUSE LE 15 SP2: new librepo packages.
New packages are available:
  SUSE LE 15 SP2: librepo devel-1.11.2-bp152.2.3.1
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