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Vulnerability of Cisco NX-OS: privilege escalation via Software Image Signature Verification

Synthesis of the vulnerability 

An attacker can bypass restrictions via Software Image Signature Verification of Cisco NX-OS, in order to escalate his privileges.
Vulnerable software: Nexus by Cisco, NX-OS.
Severity of this announce: 1/4.
Creation date: 20/03/2019.
Références of this computer vulnerability: cisco-sa-20190306-nxos-sig-verif, CSCvj14135, CSCvk70903, CSCvk70905, CVE-2019-1615, VIGILANCE-VUL-28783.

Description of the vulnerability 

An attacker can bypass restrictions via Software Image Signature Verification of Cisco NX-OS, in order to escalate his privileges.
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This security note impacts software or systems such as Nexus by Cisco, NX-OS.

Our Vigil@nce team determined that the severity of this threat announce is low.

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

An attacker with a expert ability can exploit this computer weakness announce.

Solutions for this threat 

Cisco NX-OS: solution CSCvj14135 CSCvk70903 CSCvk70905.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvj14135
  https://tools.cisco.com/bugsearch/bug/CSCvj14135
  https://tools.cisco.com/quickview/bug/CSCvj14135
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70903
  https://tools.cisco.com/bugsearch/bug/CSCvk70903
  https://tools.cisco.com/quickview/bug/CSCvk70903
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvk70905
  https://tools.cisco.com/bugsearch/bug/CSCvk70905
  https://tools.cisco.com/quickview/bug/CSCvk70905
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

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