Bug 2149420 (AMD-SN-7002, CVE-2023-1018)

Summary:	CVE-2023-1018 tpm2: TCG TPM2.0 implementations vulnerable to memory corruption
Product:	[Other] Security Response	Reporter:	Marco Benatto <mbenatto>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	ddepaula, jferlan, kyoshida, marcandre.lureau, rfreire, security-response-team, virt-maint, ymankad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bound read vulnerability was found in the TPM 2.0's Module Library, which allows the reading of 2-byte data after the end of the TPM command. This flaw allows an attacker to leak confidential data stored within the libtpms context.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-09 17:46:19 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2149421, 2149422, 2173967, 2173968, 2173969, 2173970, 2174208, 2179350, 2180756, 2180757
Bug Blocks:	2149291

Description Marco Benatto 2022-11-29 20:50:38 UTC

A 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 sensitive data stored in the TPM.

Comment 7 Guilherme de Almeida Suckevicz 2023-02-28 20:24:15 UTC

Created libtpms tracking bugs for this issue:

Affects: fedora-all [bug 2174208]

Comment 9 errata-xmlrpc 2023-04-18 16:33:26 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Extended Update Support

Via RHSA-2023:1833 https://access.redhat.com/errata/RHSA-2023:1833

Comment 10 errata-xmlrpc 2023-05-09 07:49:34 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2453 https://access.redhat.com/errata/RHSA-2023:2453

Comment 11 Product Security DevOps Team 2023-05-09 17:46:16 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-1018

Comment 12 errata-xmlrpc 2023-05-16 08:08:21 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2757 https://access.redhat.com/errata/RHSA-2023:2757