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Vulnerability of Sudo: multiple vulnerabilities

Synthesis of the vulnerability 

An attacker can use several vulnerabilities of Sudo.
Impacted systems: Fedora, openSUSE Leap, Slackware, Sudo, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this alert: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 11/01/2021.
Références of this alert: CVE-2021-23239, CVE-2021-23240, FEDORA-2021-234d14bfcc, FEDORA-2021-324479472c, openSUSE-SU-2021:0169-1, openSUSE-SU-2021:0170-1, SSA:2021-011-01, SUSE-SU-2021:0225-1, SUSE-SU-2021:0226-1, SUSE-SU-2021:0227-1, SUSE-SU-2021:0232-1, USN-4705-1, USN-4705-2, VIGILANCE-VUL-34271.

Description of the vulnerability 

An attacker can use several vulnerabilities of Sudo.
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This cybersecurity announce impacts software or systems such as Fedora, openSUSE Leap, Slackware, Sudo, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

This bulletin is about 2 vulnerabilities.

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

Solutions for this threat 

Sudo: version 1.9.5.
The version 1.9.5 is fixed:
  https://www.sudo.ws/

Fedora 32: new sudo packages.
New packages are available:
  Fedora 32: sudo 1.9.5p1-1.fc32

Fedora 33: new sudo packages.
New packages are available:
  Fedora 33: sudo 1.9.5p1-1.fc33

openSUSE Leap 15.1-2: new sudo packages.
New packages are available:
  openSUSE Leap 15.1: sudo 1.8.22-lp151.5.12.1
  openSUSE Leap 15.2: sudo 1.8.22-lp152.8.6.1

Slackware: new sudo packages.
New packages are available:
  Slackware 14.0: sudo 1.9.5-*-1_slack14.0
  Slackware 14.1: sudo 1.9.5-*-1_slack14.1
  Slackware 14.2: sudo 1.9.5-*-1_slack14.2

SUSE LE 12 SP2: new sudo packages (27/01/2021).
New packages are available:
  SUSE LE 12 SP2: sudo 1.8.10p3-10.29.1

SUSE LE: new sudo packages.
New packages are available:
  SUSE LE 12 SP3: sudo 1.8.20p2-3.20.1
  SUSE LE 12 SP4: sudo 1.8.20p2-3.20.1
  SUSE LE 12 SP5: sudo 1.8.27-4.6.1
  SUSE LE 15 RTM: sudo 1.8.22-4.15.1
  SUSE LE 15 SP1: sudo 1.8.22-4.15.1
  SUSE LE 15 SP2: sudo 1.8.22-4.15.1
  SUSE LE 15 SP3: sudo 1.8.22-4.15.1

Ubuntu: new sudo packages.
New packages are available:
  Ubuntu 20.10: sudo 1.9.1-1ubuntu1.1
  Ubuntu 20.04 LTS: sudo 1.8.31-1ubuntu1.2
  Ubuntu 18.04 LTS: sudo 1.8.21p2-3ubuntu1.4
  Ubuntu 16.04 LTS: sudo 1.8.16-0ubuntu1.10
  Ubuntu 14.04 ESM: sudo 1.8.9p5-1ubuntu1.5+esm6
  Ubuntu 12.04 ESM: sudo 1.8.3p1-1ubuntu3.10
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