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Vulnerability of OVMF: spoofing via DxeImageVerificationHandler

Synthesis of the vulnerability 

An attacker can create spoofed data via DxeImageVerificationHandler of OVMF, in order to deceive the victim.
Vulnerable systems: openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Creation date: 27/02/2020.
Références of this weakness: CVE-2019-14575, openSUSE-SU-2020:0314-1, SUSE-SU-2020:0495-1, SUSE-SU-2020:0568-1, SUSE-SU-2020:0699-1, SUSE-SU-2020:1065-1, SUSE-SU-2020:1125-1, USN-4349-1, VIGILANCE-VUL-31694.

Description of the vulnerability 

An attacker can create spoofed data via DxeImageVerificationHandler of OVMF, in order to deceive the victim.
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This computer weakness impacts software or systems such as openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.

Our Vigil@nce team determined that the severity of this vulnerability note is medium.

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

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

Solutions for this threat 

openSUSE Leap 15.1: new ovmf packages (09/03/2020).
New packages are available:
  openSUSE Leap 15.1: ovmf 2017+git1510945757.b2662641d5-lp151.11.3.1

SUSE LE 12 SP2: new ovmf packages.
New packages are available:
  SUSE LE 12 SP2: ovmf 2015+git1462940744.321151f-19.10.3

SUSE LE 12 SP4/5: new ovmf packages.
New packages are available:
  SUSE LE 12 SP5: ovmf 2017+git1510945757.b2662641d5-3.26.1
  SUSE LE 12 SP4: ovmf 2017+git1510945757.b2662641d5-3.26.1

SUSE LE 15 SP1: new ovmf packages.
New packages are available:
  SUSE LE 15 SP1: ovmf 2017+git1510945757.b2662641d5-5.29.3

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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