SB2021011536 - Privilege escalation in Juniper Junos OS

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Main Vulnerability Database SB2021011536

SB2021011536 - Privilege escalation in Juniper Junos OS

Published: January 15, 2021

Security Bulletin ID SB2021011536
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Execution with unnecessary privileges (CVE-ID: CVE-2021-0223)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application binary telnetd.real has a setuid bit. A local low-privileged user can run the affected binary and execute arbitrary code on the system with root privileges.


2) Execution with unnecessary privileges (CVE-ID: CVE-2021-0204)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to application binary dexp has a setuid bit. A local low-privileged user can run the affected binary and execute arbitrary code on the system with root privileges.


Remediation

Install update from vendor's website.

References