Justin Steven discovered that fwupd incorrectly handled certain signature verification. An attacker could possibly use this issue to install an unsigned firmware.
{
"binaries": [
{
"binary_version": "0.8.3-0ubuntu5.1",
"binary_name": "fwupd"
},
{
"binary_version": "0.8.3-0ubuntu5.1",
"binary_name": "libdfu-dev"
},
{
"binary_version": "0.8.3-0ubuntu5.1",
"binary_name": "libdfu1"
},
{
"binary_version": "0.8.3-0ubuntu5.1",
"binary_name": "libfwupd-dev"
},
{
"binary_version": "0.8.3-0ubuntu5.1",
"binary_name": "libfwupd1"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4395-1.json"
{
"cves": [
{
"id": "CVE-2020-10759",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
{
"binaries": [
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd-amd64-signed-template"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd-arm64-signed-template"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd-armhf-signed-template"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd-i386-signed-template"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "fwupd-tests"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "gir1.2-fwupd-2.0"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "libfwupd-dev"
},
{
"binary_version": "1.2.10-1ubuntu2~ubuntu18.04.5",
"binary_name": "libfwupd2"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4395-1.json"
{
"cves": [
{
"id": "CVE-2020-10759",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
{
"binaries": [
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "fwupd"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "fwupd-amd64-signed-template"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "fwupd-arm64-signed-template"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "fwupd-armhf-signed-template"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "fwupd-tests"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "gir1.2-fwupd-2.0"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "gir1.2-fwupdplugin-1.0"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "libfwupd-dev"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "libfwupd2"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "libfwupdplugin-dev"
},
{
"binary_version": "1.3.9-4ubuntu0.1",
"binary_name": "libfwupdplugin1"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4395-1.json"
{
"cves": [
{
"id": "CVE-2020-10759",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}