Anolis OS update for samba

1) Security features bypass

EUVDB-ID: #VU78573

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3347

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to SMB2 packet signing feature is not enforced if the server is configured with the "server signing = required" option or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. A remote attacker can intercept and manipulate data.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

samba-pidl: before 4.17.5-3.0.1

samba-common: before 4.17.5-3.0.1

samba-winexe: before 4.17.5-3.0.1

samba-winbind-modules: before 4.17.5-3.0.1

samba-winbind-krb5-locator: before 4.17.5-3.0.1

samba-winbind-clients: before 4.17.5-3.0.1

samba-winbind: before 4.17.5-3.0.1

samba-vfs-iouring: before 4.17.5-3.0.1

samba-tools: before 4.17.5-3.0.1

samba-test-libs: before 4.17.5-3.0.1

samba-test: before 4.17.5-3.0.1

samba-libs: before 4.17.5-3.0.1

samba-ldb-ldap-modules: before 4.17.5-3.0.1

samba-krb5-printing: before 4.17.5-3.0.1

samba-devel: before 4.17.5-3.0.1

samba-dcerpc: before 4.17.5-3.0.1

samba-dc-libs: before 4.17.5-3.0.1

samba-common-tools: before 4.17.5-3.0.1

samba-common-libs: before 4.17.5-3.0.1

samba-client-libs: before 4.17.5-3.0.1

samba-client: before 4.17.5-3.0.1

samba: before 4.17.5-3.0.1

python3-samba-test: before 4.17.5-3.0.1

python3-samba-devel: before 4.17.5-3.0.1

python3-samba-dc: before 4.17.5-3.0.1

python3-samba: before 4.17.5-3.0.1

libwbclient-devel: before 4.17.5-3.0.1

libwbclient: before 4.17.5-3.0.1

libsmbclient-devel: before 4.17.5-3.0.1

libsmbclient: before 4.17.5-3.0.1

libnetapi: before 4.17.5-3.0.1

ctdb: before 4.17.5-3.0.1

CPE2.3

• cpe:2.3:o:openanolis:anolis_os:8:*:*:*:*:*:*:*
• cpe:2.3:a:openanolis:samba-pidl:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-common:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-winexe:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-winbind-modules:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-winbind-krb5-locator:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-winbind-clients:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-winbind:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-vfs-iouring:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-tools:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-test-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-test:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-ldb-ldap-modules:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-krb5-printing:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-dcerpc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-dc-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-common-tools:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-common-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-client-libs:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba-client:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:samba:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-samba-test:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-samba-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-samba-dc:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:python3-samba:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libwbclient-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libwbclient:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libsmbclient-devel:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libsmbclient:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:libnetapi:*:*:*:*:*:anolis_os:*:*
• cpe:2.3:a:openanolis:ctdb:*:*:*:*:*:anolis_os:*:*

External links

https://anas.openanolis.cn/errata/detail/ANSA-2023:0456

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.