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Vulnerability of BusyBox: code execution via AutoComplete

Synthesis of the vulnerability 

An attacker can use a vulnerability via AutoComplete of BusyBox, in order to run code.
Vulnerable products: BusyBox, Debian, Ubuntu, ESXi, vCenter Server, VMware vSphere Hypervisor.
Severity of this weakness: 2/4.
Creation date: 21/11/2017.
Références of this bulletin: CVE-2017-16544, DLA-1445-1, DLA-1445-2, DLA-1445-3, DLA-2559-1, USN-3935-1, VIGILANCE-VUL-24504, VMSA-2019-0013.

Description of the vulnerability 

An attacker can use a vulnerability via AutoComplete of BusyBox, in order to run code.
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This cybersecurity weakness impacts software or systems such as BusyBox, Debian, Ubuntu, ESXi, vCenter Server, VMware vSphere Hypervisor.

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

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

A proof of concept or an attack tool is available, so your teams have to process this alert. An attacker with a technician ability can exploit this vulnerability bulletin.

Solutions for this threat 

BusyBox: patch for AutoComplete.
A patch is indicated in information sources.

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

VMware ESXi, vCenter Server: fixed versions.
The following versions are fixed:
  ESXi 6.7: ESXi670-201904101-SG: https://my.vmware.com/web/vmware/details?productId=742&downloadGroup=ESXI67U3
  ESXi 6.5: ESXi650-201907101-SG: https://my.vmware.com/web/vmware/details?downloadGroup=ESXI65U3&productId=614
  ESXi 6.0: ESXi600-201909101-SG: https://my.vmware.com/group/vmware/patch
  vCenter 6.7: 6.7 U3
  vCenter 6.5: 6.5 U3: https://my.vmware.com/web/vmware/details?productId=614&downloadGroup=VC65U3
  vCenter 6.0: 6.0 U3j: https://my.vmware.com/web/vmware/details?downloadGroup=VC60U3J&productId=491
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