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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ddepaula, jferlan, kyoshida, marcandre.lureau, rfreire, security-response-team, virt-maint, ymankad
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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:
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):


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