USN-6076-1

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service. (CVE-2019-18835, CVE-2018-12291, CVE-2018-10657)

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to hijack the session. (CVE-2019-11842, CVE-2018-12423)

It was discovered that Synapse incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to perform spoofing or user impersonation. (CVE-2019-5885, CVE-2018-16515)

References

Affected packages

Ubuntu:Pro:18.04:LTS / matrix-synapse

Package

Name: matrix-synapse
Purl: pkg:deb/ubuntu/matrix-synapse@0.24.0+dfsg-1ubuntu0.1~esm1?arch=source&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

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

Database specific

{
    "cves_map": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "cves": [
            {
                "id": "CVE-2018-10657",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2018-12291",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2018-12423",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "low"
                    }
                ]
            },
            {
                "id": "CVE-2018-16515",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-5885",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-11842",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            },
            {
                "id": "CVE-2019-18835",
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "medium"
                    }
                ]
            }
        ]
    }
}