USN-4134-1

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Source
https://ubuntu.com/security/notices/USN-4134-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4134-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4134-1
Upstream
Related
Published
2019-09-16T12:08:04.115440Z
Modified
2025-09-08T16:36:36Z
Summary
ibus vulnerability
Details

Simon McVittie discovered that IBus did not enforce appropriate access controls on its private D-Bus socket. A local unprivileged user who discovers the IBus socket address of another user could exploit this to capture the key strokes of the other user.

References

Affected packages

Ubuntu:16.04:LTS / ibus

Package

Name
ibus
Purl
pkg:deb/ubuntu/ibus@1.5.11-1ubuntu2.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.11-1ubuntu2.2

Affected versions

1.*

1.5.10-1ubuntu1
1.5.11-1ubuntu1
1.5.11-1ubuntu2
1.5.11-1ubuntu2.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "gir1.2-ibus-1.0"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "ibus"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "ibus-gtk"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "ibus-gtk3"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "ibus-wayland"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "libibus-1.0-5"
        },
        {
            "binary_version": "1.5.11-1ubuntu2.2",
            "binary_name": "libibus-1.0-dev"
        }
    ]
}

Ubuntu:18.04:LTS / ibus

Package

Name
ibus
Purl
pkg:deb/ubuntu/ibus@1.5.17-3ubuntu5.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.17-3ubuntu5.1

Affected versions

1.*

1.5.14-2ubuntu1
1.5.14-3ubuntu1
1.5.17-1ubuntu1
1.5.17-3ubuntu1
1.5.17-3ubuntu3
1.5.17-3ubuntu4
1.5.17-3ubuntu5

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "gir1.2-ibus-1.0"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "ibus"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "ibus-gtk"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "ibus-gtk3"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "ibus-wayland"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "libibus-1.0-5"
        },
        {
            "binary_version": "1.5.17-3ubuntu5.1",
            "binary_name": "libibus-1.0-dev"
        }
    ]
}