Test ID:	1.3.6.1.4.1.25623.1.0.117980
Category:	General
Title:	QNAP QTS Multiple Samba Vulnerabilities (QSA-22-03)
Summary:	QNAP QTS is prone to multiple vulnerabilities in Samba.
Description:	Summary: QNAP QTS is prone to multiple vulnerabilities in Samba. Vulnerability Insight: The following flaws exist: - CVE-2021-44141: Information leak via symlinks of existence of files or directories outside of the exported share - CVE-2021-44142: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution - CVE-2022-0336: Samba AD users with permission to write to an account can impersonate arbitrary services Affected Software/OS: QNAP QTS versions 4.3.x, 4.4.x, 4.5.x and 5.0.0. QTS 4.2.6 and prior is not affected. Solution: Update to version 4.3.3.1945 build 20220303, 4.3.4.1976 build 20220303, 4.3.6.1965 build 20220302, 4.5.4.1931 build 20220128, 5.0.0.1932 build 20220129 or later. The following mitigation steps are provided by the vendor: - Disable SMB 1 - Deny guest access to all shared folders CVSS Score: 9.0 CVSS Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2021-44141 https://security.gentoo.org/glsa/202309-06 https://www.samba.org/samba/security/CVE-2021-44141.html Common Vulnerability Exposure (CVE) ID: CVE-2021-44142 CERT/CC vulnerability note: https://kb.cert.org/vuls/id/119678 https://kb.cert.org/vuls/id/119678 https://bugzilla.samba.org/show_bug.cgi?id=14914 https://www.samba.org/samba/security/CVE-2021-44142.html https://www.zerodayinitiative.com/blog/2022/2/1/cve-2021-44142-details-on-a-samba-code-execution-bug-demonstrated-at-pwn2own-austin Common Vulnerability Exposure (CVE) ID: CVE-2022-0336 https://access.redhat.com/security/cve/CVE-2022-0336 https://bugzilla.redhat.com/show_bug.cgi?id=2046134 https://bugzilla.samba.org/show_bug.cgi?id=14950 https://github.com/samba-team/samba/commit/1a5dc817c0c9379bbaab14c676681b42b0039a3c https://github.com/samba-team/samba/commit/c58ede44f382bd0125f761f0479c8d48156be400 https://www.samba.org/samba/security/CVE-2022-0336.html
Copyright	Copyright (C) 2022 Greenbone AG

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