SB2023083126 - Multiple vulnerabilities in Qlik Sense Enterprise for Windows

Description

This security bulletin contains information about 2 vulnerabilities.

1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2023-41265)

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

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

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

The vulnerability exists due to improper validation of HTTP headers. A remote user can send a specially crafted HTTP request over a tunneled connection and gain elevated privileges on the system.

2) Path traversal (CVE-ID: CVE-2023-41266)

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:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Remediation

Install update from vendor's website.

References

• https://community.qlik.com/t5/Official-Support-Articles/Critical-Security-fixes-for-Qlik-Sense-Enterprise-for-Windows/ta-p/2110801
• https://arcticwolf.com/resources/blog/cve-2023-41265-cve-2023-41266-cve-2023-48365/