SB2023051207 - Multiple vulnerabilities in Apache Openmeetings

Description

This security bulletin contains information about 3 vulnerabilities.

1) Improper access control (CVE-ID: CVE-2023-28936)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

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

The vulnerability exists due to improper access restrictions when handling invitations. A remote attacker can bypass implemented security restrictions and access an arbitrary recording or room.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2023-29032)

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to application does not properly impose security restrictions when handling invitation hashes. A remote user can gain unauthorized access to the application.

3) Code Injection (CVE-ID: CVE-2023-29246)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote user to execute arbitrary code.

The vulnerability exists due to improper input validation when handling null bytes. A remote privileged user can send a specially crafted request and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://seclists.org/oss-sec/2023/q2/149
• https://issues.apache.org/jira/browse/OPENMEETINGS-2762
• https://seclists.org/oss-sec/2023/q2/150
• https://issues.apache.org/jira/browse/OPENMEETINGS-2764
• https://seclists.org/oss-sec/2023/q2/151
• https://issues.apache.org/jira/browse/OPENMEETINGS-2765