CVE-2021-3623
Published: 2 March 2022
A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.
Priority
Status
Package | Release | Status |
---|---|---|
libtpms Launchpad, Ubuntu, Debian |
impish |
Ignored
(end of life)
|
jammy |
Not vulnerable
(0.9.3-0ubuntu1)
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(0.8.4, 0.7.8, 0.6.5, 0.9.1-1)
|
|
xenial |
Ignored
(end of standard support)
|
|
Patches: upstream: https://github.com/stefanberger/libtpms/commit/2f30d620d3c053f20d38b54bf76ac0907821d263 upstream: https://github.com/stefanberger/libtpms/commit/7981d9ad90a5043a05004e4ca7b46beab8ca7809 upstream: https://github.com/stefanberger/libtpms/commit/2e6173c273ca14adb11386db4e47622552b1c00e |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.1 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | Low |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |