UBUNTU-CVE-2017-7358

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Source
https://ubuntu.com/security/CVE-2017-7358
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-7358.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2017-7358
Upstream
Downstream
Related
Published
2017-04-04T21:00:00Z
Modified
2025-07-16T08:13:25.699392Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.

References

Affected packages

Ubuntu:16.04:LTS / lightdm

Package

Name
lightdm
Purl
pkg:deb/ubuntu/lightdm@1.18.3-0ubuntu1.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.18.3-0ubuntu1.1

Affected versions

1.*

1.16.4-0ubuntu1
1.17.0-0ubuntu1
1.17.1-0ubuntu1
1.17.1-0ubuntu2
1.17.2-0ubuntu1
1.17.3-0ubuntu1
1.17.4-0ubuntu1
1.17.5-0ubuntu2
1.17.6-0ubuntu1
1.18.0-0ubuntu1
1.18.0-0ubuntu2
1.18.1-0ubuntu1
1.18.2-0ubuntu1
1.18.2-0ubuntu2
1.18.3-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-lightdm-1",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-gobject-1-0",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-gobject-1-0-dbgsym",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-gobject-1-dev",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-gobject-1-doc",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt-3-0",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt-3-0-dbgsym",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt-dev",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt5-3-0",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt5-3-0-dbgsym",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "liblightdm-qt5-3-dev",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "lightdm",
            "binary_version": "1.18.3-0ubuntu1.1"
        },
        {
            "binary_name": "lightdm-dbgsym",
            "binary_version": "1.18.3-0ubuntu1.1"
        }
    ],
    "availability": "No subscription required"
}