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Vulnerability of OVMF: information disclosure

Synthesis of the vulnerability 

A local attacker can read a memory fragment of OVMF, in order to obtain sensitive information.
Impacted systems: Ubuntu.
Severity of this alert: 1/4.
Creation date: 01/05/2020.
Références of this alert: CVE-2019-14558, USN-4349-1, VIGILANCE-VUL-32165.

Description of the vulnerability 

A local attacker can read a memory fragment of OVMF, in order to obtain sensitive information.
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This computer vulnerability bulletin impacts software or systems such as Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability bulletin is low.

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 note.

Solutions for this threat 

Ubuntu: new ovmf/qemu-efi packages.
New packages are available:
  Ubuntu 19.10: ovmf 0~20190606.20d2e5a1-2ubuntu1.1, qemu-efi 0~20190606.20d2e5a1-2ubuntu1.1
  Ubuntu 18.04 LTS: ovmf 0~20180205.c0d9813c-2ubuntu0.2, qemu-efi 0~20180205.c0d9813c-2ubuntu0.2
  Ubuntu 16.04 LTS: ovmf 0~20160408.ffea0a2c-2ubuntu0.1, qemu-efi 0~20160408.ffea0a2c-2ubuntu0.1
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