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CVE-2023-3347
5.9 MEDIUM
- CVSS version: 3.1
- Attack vector (AV): NETWORK
- Attack complexity (AC): HIGH
- Privileges required (PR): NONE
- User interaction (UI): NONE
- Scope (S): UNCHANGED
- Confidentiality impact (C): NONE
- Integrity impact (I): HIGH
- Availability impact (A): NONE
Samba: smb2 packet signing is not enforced when "server signing = required" is set
A vulnerability was found in Samba's SMB2 packet signing mechanism. The SMB2 packet signing is not enforced if an admin configured "server signing = required" or for SMB2 connections to Domain Controllers where SMB2 packet signing is mandatory. This flaw allows an attacker to perform attacks, such as a man-in-the-middle attack, by intercepting the network traffic and modifying the SMB2 messages between client and server, affecting the integrity of the data.
References
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj…
- https://security.netapp.com/advisory/ntap-20230731-0010/
- https://www.debian.org/security/2023/dsa-5477
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry
- RHBZ#2222792 issue-tracking x_refsource_REDHAT
- https://www.samba.org/samba/security/CVE-2023-3347.html
- RHSA-2023:4328 x_refsource_REDHAT vendor-advisory x_transferred
- https://access.redhat.com/security/cve/CVE-2023-3347 x_refsource_REDHAT vdb-entry x_transferred
- RHBZ#2222792 issue-tracking x_refsource_REDHAT x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproj… x_transferred
- https://security.netapp.com/advisory/ntap-20230731-0010/ x_transferred
- https://www.debian.org/security/2023/dsa-5477 x_transferred
- https://www.samba.org/samba/security/CVE-2023-3347.html x_transferred
- RHSA-2023:4325 x_refsource_REDHAT vendor-advisory x_transferred
Affected products
samba
- ==4.17.10
- *
- ==4.18.5
samba4
Matching in nixpkgs
pkgs.samba4
Standard Windows interoperability suite of programs for Linux and Unix
-
nixos-unstable -
- nixpkgs-unstable 4.22.3
pkgs.sambaFull
Standard Windows interoperability suite of programs for Linux and Unix
-
nixos-unstable -
- nixpkgs-unstable 4.22.3
pkgs.samba4Full
Standard Windows interoperability suite of programs for Linux and Unix
-
nixos-unstable -
- nixpkgs-unstable 4.22.3
Package maintainers
-
@aneeshusa Aneesh Agrawal <aneeshusa@gmail.com>
-
@jbedo Justin Bedő <cu@cua0.org>