UBUNTU-CVE-2017-2625

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2017-2625
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-2625.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2017-2625
Related
Published
2018-07-27T18:29:00Z
Modified
2024-11-20T12:19:36Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libxdmcp

Package

Name
libxdmcp
Purl
pkg:deb/ubuntu/libxdmcp?arch=src?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 

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

Ubuntu:Pro:16.04:LTS / libxdmcp

Package

Name
libxdmcp
Purl
pkg:deb/ubuntu/libxdmcp?arch=src?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 

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

Ubuntu:18.04:LTS / libxdmcp

Package

Name
libxdmcp
Purl
pkg:deb/ubuntu/libxdmcp?arch=src?distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:1.1.2-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "low",
    "binaries": [
        {
            "binary_version": "1:1.1.2-3",
            "binary_name": "libxdmcp-dev"
        },
        {
            "binary_version": "1:1.1.2-3",
            "binary_name": "libxdmcp6"
        },
        {
            "binary_version": "1:1.1.2-3",
            "binary_name": "libxdmcp6-dbg"
        },
        {
            "binary_version": "1:1.1.2-3",
            "binary_name": "libxdmcp6-udeb"
        }
    ]
}