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Vulnerability of BusyBox: buffer overflow via DHCP Client OPTION_6RD

Synthesis of the vulnerability 

An attacker can generate a buffer overflow via DHCP Client OPTION_6RD of BusyBox, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: BusyBox, Debian, Ubuntu.
Severity of this threat: 2/4.
Creation date: 27/07/2018.
Références of this weakness: CVE-2016-2148, DLA-1445-1, DLA-1445-2, DLA-1445-3, DLA-2559-1, USN-3935-1, VIGILANCE-VUL-26858.

Description of the vulnerability 

An attacker can generate a buffer overflow via DHCP Client OPTION_6RD of BusyBox, in order to trigger a denial of service, and possibly to run code.
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This security alert impacts software or systems such as BusyBox, Debian, Ubuntu.

Our Vigil@nce team determined that the severity of this security weakness is medium.

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

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

Solutions for this threat 

BusyBox: version 1.25.0.
The version 1.25.0 is fixed:
  https://git.busybox.net/

Debian 8: new busybox packages.
New packages are available:
  Debian 8: busybox 1:1.22.0-9+deb8u4

Debian 9: new busybox packages.
New packages are available:
  Debian 9: busybox 1:1.22.0-19+deb9u1

Ubuntu: new busybox packages.
New packages are available:
  Ubuntu 18.10: busybox 1:1.27.2-2ubuntu4.1
  Ubuntu 18.04 LTS: busybox 1:1.27.2-2ubuntu3.2
  Ubuntu 16.04 LTS: busybox 1:1.22.0-15ubuntu1.4
  Ubuntu 14.04 LTS: busybox 1:1.21.0-1ubuntu1.4
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