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Cisco tags crucial safety holes in SD-WAN software program

vijesh · January 21, 2021 · Leave a Comment


Cisco has famous and glued two crucial and quite a lot of high-degree vulnerabilities in its SD-WAN software program portfolio.

A lot of the vulnerabilities may let an authenticated attacker execute command injection assaults towards an affected system, which may let the attacker make the most of root privileges on the system.

The primary crucial drawback–with a Widespread Vulnerability Scoring System score of 9.9 out of 10–is  vulnerability within the web-based administration interface of Cisco SD-WAN vManage Software program. 

“This vulnerability is because of improper enter validation of user-supplied enter to the system template configuration,” Cisco said. “An attacker may exploit this vulnerability by submitting crafted enter to the system template configuration. A profitable exploit may enable the attacker to achieve root-level entry to the affected system.”

This vulnerability impacts solely the Cisco SD-WAN vManage product, the corporate said.

The second crucial Cisco SD-WAN Software program problem–with a CVSS score of 9.8—may let an unauthenticated, distant attacker to trigger a buffer overflow.

“The vulnerability is because of incorrect dealing with of IP visitors,” Cisco said. “An attacker may exploit this vulnerability by sending crafted IP visitors by an affected system, which can trigger a buffer overflow when the visitors is processed. A profitable exploit may enable the attacker to execute arbitrary code on the underlying working system with root privileges.”

Cisco has launched software program updates that deal with each crucial vulnerabilities. Different vulnerabilities within the Command Line Interface of Cisco SD-WAN Software program are rated excessive and embrace:

  • A vulnerability within the CLI of Cisco SD-WAN Software program that might enable an authenticated, native attacker with read-only credentials to inject arbitrary instructions that might enable the attacker to acquire root privileges and browse, write, and delete information of the underlying file system of an affected system. This vulnerability is because of inadequate validation of user-supplied enter on the CLI, Cisco said. An attacker may exploit this vulnerability by authenticating with read-only privileges through the CLI of an affected system and submitting crafted enter to the affected instructions, Cisco said.
  • A weak point within the CLI of Cisco SD-WAN Software program may let an authenticated, native attacker with read-only credentials inject arbitrary instructions that might let the attacker receive root privileges and browse, write, and delete information of the underlying file system of an affected system. “This vulnerability is because of inadequate validation of user-supplied enter on the CLI. An attacker may exploit this vulnerability by authenticating with read-only privileges through the CLI of an affected system and submitting crafted enter to the affected instructions. A profitable exploit may enable the attacker to execute arbitrary instructions on the system with root privileges,” Cisco said.
  • One other CLI weak point that might let an authenticated, native attacker with read-only credentials to inject arbitrary instructions that might let the attacker receive root privileges and browse information from the underlying file system of an affected system. This vulnerability is because of inadequate validation of user-supplied enter on the SD-WAN CLI. An attacker may exploit this vulnerability by authenticating with read-only privileges through the CLI of an affected system and submitting crafted enter to the affected instructions, Cisco said.

In the identical bundle of Safety Advisories, Cisco issued a crucial patch for its DNA Heart software program. Particularly, the corporate stated a weak point–with a CVSS score of 9.6—within the Command Runner instrument of Cisco DNA Heart may let an authenticated, distant attacker carry out a command-injection assault. An attacker may exploit this vulnerability by offering crafted enter throughout command execution or through a crafted command runner API name. A profitable exploit may allow the attacker to execute arbitrary CLI instructions on gadgets managed by Cisco DNA Heart. This vulnerability impacts Cisco DNA Heart Software program releases sooner than 1.3.1.0, Cisco said.

Different DNA Heart-related safety advisories embrace:

  • A vulnerability within the configuration archive performance of Cisco DNA Heart may enable any privilege-level authenticated, distant attacker to acquire the complete unmasked operating configuration of managed gadgets. This vulnerability impacts Cisco DNA Heart Software program releases sooner than 2.1.2.0.
  • A publicity within the DNA Heart Software program’s web-based administration interface that might let an unauthenticated, distant attacker conduct a cross-site request forgery (CSRF) assault to govern an authenticated person into executing malicious actions with out their consciousness or consent.

Cisco has launched software program fixes for all of the vulnerabilities it outlined. For extra info Cisco pointed customers to its license web page right here.

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Copyright © 2021 IDG Communications, Inc.

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