The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of QEMU: integer overflow via ati_2d_blt

Synthesis of the vulnerability 

An attacker can trigger an integer overflow via ati_2d_blt() of QEMU, in order to trigger a denial of service, and possibly to run code.
Impacted software: QEMU, Ubuntu.
Severity of this computer vulnerability: 2/4.
Creation date: 27/04/2020.
Références of this announce: CVE-2020-11869, USN-4372-1, VIGILANCE-VUL-32104.

Description of the vulnerability 

An attacker can trigger an integer overflow via ati_2d_blt() of QEMU, in order to trigger a denial of service, and possibly to run code.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This weakness alert impacts software or systems such as QEMU, Ubuntu.

Our Vigil@nce team determined that the severity of this computer vulnerability note 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 security bulletin.

Solutions for this threat 

QEMU: patch for ati_2d_blt.
A patch is indicated in information sources.

Ubuntu: new qemu packages.
New packages are available:
  Ubuntu 20.04 LTS: qemu 1:4.2-3ubuntu6.1
  Ubuntu 19.10: qemu 1:4.0+dfsg-0ubuntu9.6
  Ubuntu 18.04 LTS: qemu 1:2.11+dfsg-1ubuntu7.26
  Ubuntu 16.04 LTS: qemu 1:2.5+dfsg-5ubuntu10.44
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides network vulnerability analysis. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system.