Bug 2149420 (AMD-SN-7002, CVE-2023-1018) - CVE-2023-1018 tpm2: TCG TPM2.0 implementations vulnerable to memory corruption
Summary: CVE-2023-1018 tpm2: TCG TPM2.0 implementations vulnerable to memory corruption
Keywords:
Status: CLOSED ERRATA
Alias: AMD-SN-7002, CVE-2023-1018
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2149421 2149422 2173967 2173968 2173969 2173970 2174208 2179350 2180756 2180757
Blocks: 2149291
TreeView+ depends on / blocked
 
Reported: 2022-11-29 20:50 UTC by Marco Benatto
Modified: 2023-05-16 08:08 UTC (History)
8 users (show)

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.
Clone Of:
Environment:
Last Closed: 2023-05-09 17:46:19 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:1833 0 None None None 2023-04-18 16:33:29 UTC
Red Hat Product Errata RHSA-2023:2453 0 None None None 2023-05-09 07:49:37 UTC
Red Hat Product Errata RHSA-2023:2757 0 None None None 2023-05-16 08:08:24 UTC

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
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