USN-4980-1

Kevin Backhouse discovered that polkit incorrectly handled errors in the polkitsystembusnamegetcredssync function. A local attacker could possibly use this issue to escalate privileges.

References

Affected packages

Ubuntu:20.04:LTS / policykit-1

Package

Name: policykit-1
Purl: pkg:deb/ubuntu/policykit-1@0.105-26ubuntu1.1?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

0.105-26ubuntu1.1

Affected versions

0.*

0.105-26ubuntu1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "gir1.2-polkit-1.0",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-agent-1-0",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-agent-1-0-dbgsym",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-agent-1-dev",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-gobject-1-0",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-gobject-1-0-dbgsym",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "libpolkit-gobject-1-dev",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "policykit-1",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "policykit-1-dbgsym",
            "binary_version": "0.105-26ubuntu1.1"
        },
        {
            "binary_name": "policykit-1-doc",
            "binary_version": "0.105-26ubuntu1.1"
        }
    ]
}