SB2021050501 - Multipl vulnerabilities in Pulse Connect Secure



SB2021050501 - Multipl vulnerabilities in Pulse Connect Secure

Published: May 5, 2021

Security Bulletin ID SB2021050501
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2021-22894)

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

The vulnerability exists due to a boundary error in Pulse Connect Secure Collaboration Suite. A remote user can trigger memory corruption and execute arbitrary code on the target system as the root user via a maliciously crafted meeting room.



2) OS Command Injection (CVE-ID: CVE-2021-22899)

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary OS commands on the target system via Windows File Resource Profiles.


3) Arbitrary file upload (CVE-ID: CVE-2021-22900)

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

The vulnerability exists due to insufficient validation of archives within the file upload feature. A remote authenticated administrator can upload a malicious file and execute it on the server.


Remediation

Install update from vendor's website.