SB2021071918 - Remote code execution in Steel-Belted Radius Carrier



SB2021071918 - Remote code execution in Steel-Belted Radius Carrier

Published: July 19, 2021

Security Bulletin ID SB2021071918
Severity
Critical
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Critical 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Stack-based buffer overflow (CVE-ID: CVE-2021-0276)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing packets in in Juniper Networks SBR Carrier with EAP (Extensible Authentication Protocol) authentication configured. A remote unauthenticated attacker can send specially crafted packets to the device, trigger a stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.