CVE-2023-1018
Published: 28 February 2023
An out-of-bounds read vulnerability exists in TPM2.0's Module Library allowing a 2-byte read past the end of a TPM2.0 command in the CryptParameterDecryption routine. An attacker who can successfully exploit this vulnerability can read or access sensitive data stored in the TPM.
Notes
| Author | Note |
|---|---|
| mdeslaur | This is VU#782720 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libtpms Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Does not exist
|
|
| jammy |
Released
(0.9.3-0ubuntu1.22.04.1)
|
|
| kinetic |
Released
(0.9.3-0ubuntu1.22.10.1)
|
|
| trusty |
Ignored
(end of standard support)
|
|
| upstream |
Released
(0.9.6)
|
|
| xenial |
Ignored
(end of standard support)
|
|
|
Patches: upstream: https://github.com/stefanberger/libtpms/commit/324dbb4c27ae789c73b69dbf4611242267919dd4 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | None |
| Availability impact | None |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
References
- https://kb.cert.org/vuls/id/782720
- https://trustedcomputinggroup.org/wp-content/uploads/TCGVRT0007-Advisory-FINAL.pdf
- https://www.securityweek.com/security-defects-in-tpm-2-0-spec-raise-alarm-bells/
- https://ubuntu.com/security/notices/USN-5933-1
- https://www.cve.org/CVERecord?id=CVE-2023-1018
- NVD
- Launchpad
- Debian