Bug 2278075 (CVE-2024-29039) - CVE-2024-29039 tpm2-tools: pcr selection value is not compared with the attest
Summary: CVE-2024-29039 tpm2-tools: pcr selection value is not compared with the attest
Keywords:
Status: NEW
Alias: CVE-2024-29039
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2292188
Blocks: 2278069
TreeView+ depends on / blocked
 
Reported: 2024-05-01 00:48 UTC by Robb Gatica
Modified: 2024-11-12 10:58 UTC (History)
0 users

Fixed In Version: tpm2-tools 5.7
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2024:9424 0 None None None 2024-11-12 10:57:59 UTC

Description Robb Gatica 2024-05-01 00:48:45 UTC 
The pcr selection which is passed with the --pcr parameter it not compared with the attest. So it's possible to fake a valid attestation.

References:
https://github.com/tpm2-software/tpm2-tools/commit/98599df9392a346216c5a059b8d35271286100bb
Comment 2 Dhananjay Arunesh 2024-06-13 11:23:01 UTC 
Created tpm2-tools tracking bugs for this issue:

Affects: fedora-all [bug 2292188]
Comment 5 errata-xmlrpc 2024-11-12 10:57:58 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:9424 https://access.redhat.com/errata/RHSA-2024:9424
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