UBUNTU-CVE-2019-18835

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Source

https://ubuntu.com/security/CVE-2019-18835

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-18835.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2019-18835

Related

Published

2019-11-08T00:15:00Z

Modified

2019-11-08T00:15:00Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

[none]

Details

Matrix Synapse before 1.5.0 mishandles signature checking on some federation APIs. Events sent over /sendjoin, /sendleave, and /invite may not be correctly signed, or may not come from the expected servers.

References

Affected packages

Ubuntu:Pro:18.04:LTS / matrix-synapse

Package

Name: matrix-synapse
Purl: pkg:deb/ubuntu/matrix-synapse?arch=src?distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.24.0+dfsg-1ubuntu0.1~esm1

Affected versions

0.*

0.19.2+dfsg-6

0.24.0+dfsg-1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "0.24.0+dfsg-1ubuntu0.1~esm1",
            "binary_name": "matrix-synapse"
        }
    ]
}

Ubuntu:20.04:LTS / matrix-synapse

Package

Name: matrix-synapse
Purl: pkg:deb/ubuntu/matrix-synapse?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.11.0-1

Affected versions

1.*

1.3.0-1

1.4.0-1

1.5.0-1

1.5.1-1

1.6.0-1

1.6.1-1

1.7.0-2

1.7.1-1

1.7.2-1

1.7.3-1

1.8.0-1

1.9.0-1

1.9.1-1

1.10.0-1

1.10.0-2

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "1.11.0-1",
            "binary_name": "matrix-synapse"
        }
    ]
}