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Vulnerability of libvirt: privilege escalation via UNIX Domain Socket

Synthesis of the vulnerability 

An attacker can bypass restrictions via UNIX Domain Socket of libvirt, in order to escalate his privileges.
Vulnerable systems: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 05/08/2020.
Références of this weakness: CVE-2020-15708, openSUSE-SU-2020:1777-1, openSUSE-SU-2020:1778-1, SUSE-SU-2020:2969-1, SUSE-SU-2020:2970-1, SUSE-SU-2020:3037-1, SUSE-SU-2020:3038-1, SUSE-SU-2020:3039-1, SUSE-SU-2020:3095-1, SUSE-SU-2020:3143-1, USN-4452-1, VIGILANCE-VUL-33002, ZDI-20-981.

Description of the vulnerability 

An attacker can bypass restrictions via UNIX Domain Socket of libvirt, in order to escalate his privileges.
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This computer weakness bulletin impacts software or systems such as openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

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

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

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

Solutions for this threat 

openSUSE Leap 15: new libvirt packages.
New packages are available:
  openSUSE Leap 15.1: libvirt 5.1.0-lp151.7.10.1
  openSUSE Leap 15.2: libvirt 6.0.0-lp152.9.6.2

SUSE LE 12 SP2: new libvirt packages.
New packages are available:
  SUSE LE 12 SP2: libvirt 2.0.0-27.64.1

SUSE LE 12 SP3: new libvirt packages.
New packages are available:
  SUSE LE 12 SP3: libvirt 3.3.0-5.46.1

SUSE LE 12 SP4: new libvirt packages.
New packages are available:
  SUSE LE 12 SP4: libvirt 4.0.0-8.23.1

SUSE LE 12 SP5: new libvirt packages.
New packages are available:
  SUSE LE 12 SP5: libvirt 5.1.0-13.19.1

SUSE LE 15 RTM: new libvirt packages.
New packages are available:
  SUSE LE 15 RTM: libvirt 4.0.0-9.35.1

SUSE LE 15 SP1: new libvirt packages.
New packages are available:
  SUSE LE 15 SP1: libvirt 5.1.0-8.24.1

SUSE LE 15 SP2: new libvirt packages.
New packages are available:
  SUSE LE 15 SP2: libvirt 6.0.0-13.8.1

Ubuntu 20.04: new libvirt packages.
New packages are available:
  Ubuntu 20.04 LTS: libvirt 6.0.0-0ubuntu8.3
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