SB2021050501 - Multipl vulnerabilities in Pulse Connect Secure
Published: May 5, 2021
Breakdown by Severity
- 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.