SB2023091115 - Improper access control in NVIDIA Cumulus Linux



SB2023091115 - Improper access control in NVIDIA Cumulus Linux

Published: September 11, 2023

Security Bulletin ID SB2023091115
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper access control (CVE-ID: CVE-2023-25525)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper forwarding where a VxLAN-encapsulated IPv6 packet received on the SVI interface with DMAC/DIPv6 set to the link-local address of the SVI interface. A remote attacker can bypass implemented security restrictions and gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.