SB2021080902 - Multiple vulnerabilities in Corero SecureWatch Managed Services

Description

This security bulletin contains information about 2 vulnerabilities.

1) Path traversal (CVE-ID: CVE-2021-38136)

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in the "snap_file" parameter in the "/it-IT/splunkd/__raw/services/get_snapshot" HTTP API endpoint. A remote authenticated attacker can send a specially crafted HTTP request and read arbitrary files on the system.

2) Improper access control (CVE-ID: CVE-2021-38137)

CWE-ID: CWE-284 - Improper Access Control

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

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

The vulnerability exists due to the affected product does not correctly check swa-monitor and cns-monitor user’s privileges. A remote authenticated attacker can perform privileged operations and gain access to reserved information.

Remediation

Install update from vendor's website.

References

• https://www.shielder.it/advisories/corero_secure_watch_managed_services-get_snapshot-path-traversal/
• https://www.corero.com/blog/data-sheets-corero-securewatch-managed-services/
• https://www.shielder.it/advisories/corero_secure_watch_managed_services-multiple-broken-access-control/