USN-5690-1

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Source
https://ubuntu.com/security/notices/USN-5690-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5690-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5690-1
Upstream
Related
Published
2022-10-19T15:47:17.108025Z
Modified
2025-10-13T04:36:07Z
Summary
libxdmcp vulnerability
Details

It was discovered that libXdmcp was generating weak session keys. A local attacker could possibly use this issue to perform a brute force attack and obtain another user's key.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libxdmcp

Package

Name
libxdmcp
Purl
pkg:deb/ubuntu/libxdmcp@1:1.1.1-1ubuntu0.1~esm1?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.1.1-1ubuntu0.1~esm1

Affected versions

1:1.*

1:1.1.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.1.1-1ubuntu0.1~esm1",
            "binary_name": "libxdmcp-dev"
        },
        {
            "binary_version": "1:1.1.1-1ubuntu0.1~esm1",
            "binary_name": "libxdmcp6"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2017-2625"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libxdmcp

Package

Name
libxdmcp
Purl
pkg:deb/ubuntu/libxdmcp@1:1.1.2-1.1ubuntu0.1~esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.1.2-1.1ubuntu0.1~esm1

Affected versions

1:1.*

1:1.1.2-1
1:1.1.2-1.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:1.1.2-1.1ubuntu0.1~esm1",
            "binary_name": "libxdmcp-dev"
        },
        {
            "binary_version": "1:1.1.2-1.1ubuntu0.1~esm1",
            "binary_name": "libxdmcp6"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2017-2625"
        }
    ]
}