Vulnerability of BusyBox: buffer overflow via wget

Synthesis of the vulnerability

An attacker can generate a buffer overflow via wget of BusyBox, in order to trigger a denial of service, and possibly to run code.

Vulnerable software: BusyBox, Debian, Ubuntu.

Severity of this announce: 2/4.

Creation date: 27/06/2018.

Références of this computer vulnerability: CVE-2018-1000517, DLA-1445-1, DLA-1445-2, DLA-1445-3, DLA-2559-1, USN-3935-1, VIGILANCE-VUL-26551.

Description of the vulnerability

An attacker can generate a buffer overflow via wget of BusyBox, in order to trigger a denial of service, and possibly to run code.
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This vulnerability announce impacts software or systems such as BusyBox, Debian, Ubuntu.

Our Vigil@nce team determined that the severity of this cybersecurity threat 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 computer threat bulletin.

Solutions for this threat

BusyBox: version 1.28.4.
The version 1.28.4 is fixed:
http://busybox.net/downloads/busybox-1.28.4.tar.bz2

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

Wind River Linux: solution (16/10/2018).
The solution is indicated in information sources.
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