USN-4617-1

Source
https://ubuntu.com/security/notices/USN-4617-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4617-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4617-1
Upstream
Related
Published
2020-11-04T11:53:48.052325Z
Modified
2025-10-13T04:35:17Z
Summary
spice-vdagent vulnerabilities
Details

Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of service. (CVE-2020-25650)

Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to cause SPICE vdagent to consume memory, resulting in a denial of service, or obtain sensitive file contents. (CVE-2020-25651)

Matthias Gerstner discovered that SPICE vdagent incorrectly handled a large number of client connections. A local attacker could possibly use this issue to cause SPICE vdagent to consume resources, resulting in a denial of service. (CVE-2020-25652)

Matthias Gerstner discovered that SPICE vdagent incorrectly handled client connections. A local attacker could possibly use this issue to obtain sensitive information, paste clipboard contents, and transfer files into the active session. (CVE-2020-25653)

References

Affected packages

Ubuntu:18.04:LTS / spice-vdagent

Package

Name
spice-vdagent
Purl
pkg:deb/ubuntu/spice-vdagent@0.17.0-1ubuntu2.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.17.0-1ubuntu2.2

Affected versions

0.*

0.17.0-1ubuntu1
0.17.0-1ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.17.0-1ubuntu2.2",
            "binary_name": "spice-vdagent"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25650"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25651"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25652"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25653"
            }
        ],
        "ecosystem": "Ubuntu:18.04:LTS"
    }
}

Ubuntu:20.04:LTS / spice-vdagent

Package

Name
spice-vdagent
Purl
pkg:deb/ubuntu/spice-vdagent@0.19.0-2ubuntu0.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.19.0-2ubuntu0.2

Affected versions

0.*

0.19.0-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "0.19.0-2ubuntu0.2",
            "binary_name": "spice-vdagent"
        }
    ],
    "availability": "No subscription required"
}

Database specific

{
    "cves_map": {
        "cves": [
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25650"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25651"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25652"
            },
            {
                "severity": [
                    {
                        "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
                        "type": "CVSS_V3"
                    },
                    {
                        "score": "low",
                        "type": "Ubuntu"
                    }
                ],
                "id": "CVE-2020-25653"
            }
        ],
        "ecosystem": "Ubuntu:20.04:LTS"
    }
}