Upstream information
Description
A flaw was found in samba's Heimdal KDC implementation, versions 4.8.x up to, excluding 4.8.12, 4.9.x up to, excluding 4.9.8 and 4.10.x up to, excluding 4.10.3, when used in AD DC mode. A man in the middle attacker could use this flaw to intercept the request to the KDC and replace the user name (principal) in the request with any desired user name (principal) that exists in the KDC effectively obtaining a ticket for that principal.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having important severity.
| National Vulnerability Database | |
|---|---|
| Base Score | 6 |
| Vector | AV:N/AC:M/Au:S/C:P/I:P/A:P |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | Partial |
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 7.5 | 7.5 |
| Vector | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Access Vector | Network | Network |
| Access Complexity | High | High |
| Privileges Required | Low | Low |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | High | High |
| Integrity Impact | High | High |
| Availability Impact | High | High |
| CVSSv3 Version | 3 | 3 |
Note from the SUSE Security Team
This issue does not affect SUSE samba versions as we are not using the Heimdal based code in our Samba packages. SUSE Bugzilla entry: 1134024 [RESOLVED / UPSTREAM] SUSE Security Advisories:- openSUSE-SU-2019:1682-1, published Mon, 1 Jul 2019 18:18:11 +0200 (CEST)
- openSUSE-SU-2019:1688-1, published Mon, 1 Jul 2019 21:12:32 +0200 (CEST)
- openSUSE-SU-2019:1888-1, published Wed, 14 Aug 2019 18:10:37 +0200 (CEST)
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Linux Enterprise High Availability 12 SP5 |
| |
| SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5 |
| |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 |
| |
| SUSE Linux Enterprise Module for Python2 packages 15 SP2 |
| |
| SUSE Linux Enterprise Software Development Kit 12 SP5 |
| |
| openSUSE Leap 15.0 |
| Patchnames: openSUSE-2019-1682 |
| openSUSE Leap 15.1 |
| Patchnames: openSUSE-2019-1682 |
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
| Product(s) | Source package | State |
|---|---|---|
| SLES for SAP Applications | samba | Not affected |
| SUSE Enterprise Storage 5 | samba | Not affected |
| SUSE Linux Enterprise 15 Module for Basesystem | samba | Not affected |
| SUSE Linux Enterprise Desktop 12 SP3 | samba | Not affected |
| SUSE Linux Enterprise Desktop 12 SP4 | samba | Not affected |
| SUSE Linux Enterprise High Availability Extension 12 | samba | Not affected |
| SUSE Linux Enterprise High Availability Extension 12 SP1 | samba | Not affected |
| SUSE Linux Enterprise High Availability Extension 12 SP3 | samba | Not affected |
| SUSE Linux Enterprise High Availability Extension 12 SP4 | samba | Not affected |
| SUSE Linux Enterprise High Availability Extension 15 | samba | Not affected |
| SUSE Linux Enterprise High Performance Computing 12 SP4 | samba | Not affected |
| SUSE Linux Enterprise Server 11 SP3 LTSS | samba | Not affected |
| SUSE Linux Enterprise Server 11 SP4 LTSS | samba | Not affected |
| SUSE Linux Enterprise Server 12 LTSS | samba | Not affected |
| SUSE Linux Enterprise Server 12 SP1 LTSS | samba | Not affected |
| SUSE Linux Enterprise Server 12 SP2 LTSS | samba | Not affected |
| SUSE Linux Enterprise Server 12 SP3 | samba | Not affected |
| SUSE Linux Enterprise Server 12 SP4 | samba | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 | samba | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | samba | Not affected |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | samba | Not affected |
| SUSE Linux Enterprise Software Development Kit 12 SP3 | samba | Not affected |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | samba | Not affected |
