Several high SD-WAN vulnerabilities have been released.

  • Cisco SD-WAN Solution Arbitrary File Overwrite Vulnerability

A vulnerability in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to overwrite arbitrary files on the underlying operating system of an affected device.

The vulnerability is due to improper input validation of the request admin-tech command in the CLI of the affected software. An attacker could exploit this vulnerability by modifying the request admin-tech command in the CLI of an affected device. A successful exploit could allow the attacker to overwrite arbitrary files on the underlying operating system of an affected device and escalate their privileges to the root user.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution Zero Touch Provisioning Denial of Service Vulnerability

A vulnerability in the Zero Touch Provisioning service of the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

The vulnerability is due to incorrect bounds checks for certain values in packets that are sent to the Zero Touch Provisioning service of the affected software. An attacker could exploit this vulnerability by sending malicious packets to the affected software for processing. When the software processes the packets, a buffer overflow condition could occur and cause an affected device to reload. A successful exploit could allow the attacker to cause a temporary DoS condition while the device reloads.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution Configuration and Management Database Remote Code Execution Vulnerability

A vulnerability in the configuration and management database of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to execute arbitrary commands with the privileges of the vmanage user in the configuration management system of the affected software.

The vulnerability is due to insufficient validation of command arguments that are passed to the configuration and management database of the affected software. An attacker could exploit this vulnerability by creating custom functions that contain malicious code and are executed as the vmanage user of the configuration management system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the vmanage user in the configuration management system of the affected software.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution Command Injection Vulnerability

A vulnerability in the command-line tcpdump utility in the Cisco SD-WAN Solution could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges.

The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the tcpdump utility.

The attacker must be authenticated to access the tcpdump utility. A successful exploit could allow the attacker to execute commands with root privileges.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution CLI Command Injection Vulnerability

A vulnerability in the CLI of the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges.

The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting malicious input to the load command within the VPN subsystem.

The attacker must be authenticated to access the affected CLI parameter. A successful exploit could allow an attacker to execute commands with root privileges.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution VPN Subsystem Command Injection Vulnerability

A vulnerability in the VPN subsystem configuration in the Cisco SD-WAN Solution could allow an authenticated, remote attacker to inject arbitrary commands that are executed with root privileges.

The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting crafted input to the affected parameter in a web page.

The attacker must be authenticated to access the affected parameter. A successful exploit could allow the attacker to execute commands with root privileges.

Read more: Cisco Advisory

  • Cisco SD-WAN Solution Zero Touch Provisioning Command Injection Vulnerability

A vulnerability in the Zero Touch Provisioning (ZTP) subsystem of the Cisco SD-WAN Solution could allow an authenticated, local attacker to inject arbitrary commands that are executed with root privileges.

The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by authenticating to the device and submitting malicious input to the affected parameter.

The attacker must be authenticated to access the affected parameter. A successful exploit could allow an attacker to execute commands with root privileges.

Read more: Cisco Advisory

 

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