Upstream information
Description
Matrix JavaScript SDK is the Matrix Client-Server software development kit (SDK) for JavaScript. Prior to version 19.7.0, an attacker cooperating with a malicious homeserver could interfere with the verification flow between two users, injecting its own cross-signing user identity in place of one of the users' identities. This would lead to the other device trusting/verifying the user identity under the control of the homeserver instead of the intended one. The vulnerability is a bug in the matrix-js-sdk, caused by checking and signing user identities and devices in two separate steps, and inadequately fixing the keys to be signed between those steps. Even though the attack is partly made possible due to the design decision of treating cross-signing user identities as Matrix devices on the server side (with their device ID set to the public part of the user identity key), no other examined implementations were vulnerable. Starting with version 19.7.0, the matrix-js-sdk has been modified to double check that the key signed is the one that was verified instead of just referencing the key by ID. An additional check has been made to report an error when one of the device ID matches a cross-signing key. As this attack requires coordination between a malicious homeserver and an attacker, those who trust their homeservers do not need a particular workaround.SUSE information
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
| National Vulnerability Database | SUSE | |
|---|---|---|
| Base Score | 7.5 | 7.5 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Attack Vector | Network | Network |
| Attack Complexity | Low | Low |
| Privileges Required | None | None |
| User Interaction | None | None |
| Scope | Unchanged | Unchanged |
| Confidentiality Impact | None | None |
| Integrity Impact | High | High |
| Availability Impact | None | None |
| CVSSv3 Version | 3.1 | 3.1 |
SUSE Security Advisories:
- SUSE-SU-2022:3800-1, published Thu Oct 27 16:23:08 UTC 2022
List of released packages
| Product(s) | Fixed package version(s) | References |
|---|---|---|
| SUSE Liberty Linux 7 |
| Patchnames: RHSA-2022:7184 |
| SUSE Liberty Linux 8 |
| Patchnames: RHSA-2022:7190 |
| SUSE Liberty Linux 9 |
| Patchnames: RHSA-2022:7178 |
| SUSE Linux Enterprise Desktop 15 SP3 SUSE Linux Enterprise Server 15 SP3 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Workstation Extension 15 SP3 |
| Patchnames: SUSE-SLE-Product-WE-15-SP3-2022-3800 |
| SUSE Linux Enterprise Desktop 15 SP4 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Workstation Extension 15 SP4 |
| Patchnames: SUSE-SLE-Product-WE-15-SP4-2022-3800 |
| SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Linux Enterprise Workstation Extension 15 SP5 |
| Patchnames: SUSE Linux Enterprise Workstation Extension 15 SP5 GA MozillaThunderbird-102.11.0-150200.8.116.1 |
| SUSE Linux Enterprise Desktop 15 SP6 SUSE Linux Enterprise Server 15 SP6 SUSE Linux Enterprise Server for SAP Applications 15 SP6 SUSE Linux Enterprise Workstation Extension 15 SP6 |
| Patchnames: SUSE Linux Enterprise Workstation Extension 15 SP6 GA MozillaThunderbird-115.10.1-150200.8.157.1 |
| SUSE Linux Enterprise Module for Package Hub 15 SP3 |
| Patchnames: SUSE-SLE-Module-Packagehub-Subpackages-15-SP3-2022-3800 |
| SUSE Linux Enterprise Module for Package Hub 15 SP4 |
| Patchnames: SUSE-SLE-Module-Packagehub-Subpackages-15-SP4-2022-3800 |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 |
| Patchnames: SUSE Linux Enterprise Module for Package Hub 15 SP5 GA MozillaThunderbird-102.11.0-150200.8.116.1 |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 |
| Patchnames: SUSE Linux Enterprise Module for Package Hub 15 SP6 GA MozillaThunderbird-115.10.1-150200.8.157.1 |
| openSUSE Leap 15.3 |
| Patchnames: openSUSE-SLE-15.3-2022-3800 |
| openSUSE Leap 15.4 |
| Patchnames: openSUSE-SLE-15.4-2022-3800 |
| openSUSE Tumbleweed |
| Patchnames: openSUSE-Tumbleweed-2024-12374 openSUSE-Tumbleweed-2024-12375 openSUSE-Tumbleweed-2024-12379 |
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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.
| Product(s) | Source package | State |
|---|---|---|
| Products under general support and receiving all security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP5 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Desktop 15 SP6 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Module for Package Hub 15 SP5 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Module for Package Hub 15 SP6 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server 15 SP5 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server 15 SP6 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Workstation Extension 15 SP5 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Workstation Extension 15 SP6 | MozillaThunderbird | Released |
| openSUSE Leap 15.5 | MozillaThunderbird | Affected |
| openSUSE Leap 15.6 | MozillaThunderbird | Affected |
| Products under Long Term Service Pack support and receiving important and critical security fixes. | ||
| SUSE Linux Enterprise Desktop 15 SP4 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server 15 SP2 | MozillaThunderbird | Affected |
| SUSE Linux Enterprise Server 15 SP3 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server 15 SP4 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP2 | MozillaThunderbird | Affected |
| SUSE Linux Enterprise Server for SAP Applications 15 SP3 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | MozillaThunderbird | Released |
| Products past their end of life and not receiving proactive updates anymore. | ||
| SUSE Linux Enterprise Desktop 15 SP2 | MozillaThunderbird | Affected |
| SUSE Linux Enterprise Desktop 15 SP3 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Module for Package Hub 15 SP3 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Module for Package Hub 15 SP4 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Workstation Extension 15 SP2 | MozillaThunderbird | Affected |
| SUSE Linux Enterprise Workstation Extension 15 SP3 | MozillaThunderbird | Released |
| SUSE Linux Enterprise Workstation Extension 15 SP4 | MozillaThunderbird | Released |
| openSUSE Leap 15.3 | MozillaThunderbird | Affected |
| openSUSE Leap 15.4 | MozillaThunderbird | Released |
SUSE Timeline for this CVE
CVE page created: Fri Sep 30 00:00:19 2022CVE page last modified: Thu Oct 10 22:12:58 2024