CVE-2017-16837

Publication date 16 November 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Certain function pointers in Trusted Boot (tboot) through 1.9.6 are not validated and can cause arbitrary code execution, which allows local users to overwrite dynamic PCRs of Trusted Platform Module (TPM) by hooking these function pointers.

Status

Package Ubuntu Release Status
tboot 24.10 oracular
Fixed 1.9.7-0ubuntu1
24.04 LTS noble
Fixed 1.9.7-0ubuntu1
23.10 mantic
Fixed 1.9.7-0ubuntu1
23.04 lunar
Fixed 1.9.7-0ubuntu1
22.10 kinetic
Fixed 1.9.7-0ubuntu1
22.04 LTS jammy
Fixed 1.9.7-0ubuntu1
21.10 impish
Fixed 1.9.7-0ubuntu1
21.04 hirsute
Fixed 1.9.7-0ubuntu1
20.10 groovy
Fixed 1.9.7-0ubuntu1
20.04 LTS focal
Fixed 1.9.7-0ubuntu1
19.10 eoan
Fixed 1.9.7-0ubuntu1
19.04 disco
Fixed 1.9.7-0ubuntu1
18.10 cosmic
Fixed 1.9.7-0ubuntu1
18.04 LTS bionic
Vulnerable
17.10 artful Ignored end of life
17.04 zesty Ignored end of life
16.04 LTS xenial
Vulnerable
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H