Bug 1465341 - (CVE-2017-7524) CVE-2017-7524 tpm2-tools: Sending password in plaintext for HMAC generation on server
CVE-2017-7524 tpm2-tools: Sending password in plaintext for HMAC generation o...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20170621,repor...
: Security
Depends On: 1465342 1465343
Blocks:
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Reported: 2017-06-27 05:20 EDT by Adam Mariš
Modified: 2017-07-19 04:22 EDT (History)
3 users (show)

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Fixed In Version: tpm2-tools 1.1.1
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Description Adam Mariš 2017-06-27 05:20:51 EDT
When authenticating via an HMAC to the TPM for authorization to use a policy, client sends password and message to TPM server to generate HMAC, receives it back and then uses HMAC for authorization to use an object.

Upstream patch:

https://github.com/01org/tpm2.0-tools/commit/c5d72beaab1cbbbe68271f4bc4b6670d69985157
Comment 1 Adam Mariš 2017-06-27 05:21:12 EDT
Created tpm2-tools tracking bugs for this issue:

Affects: epel-7 [bug 1465342]
Affects: fedora-all [bug 1465343]
Comment 2 Andrej Nemec 2017-07-19 04:22:26 EDT
Acknowledgments:

Name: William Roberts (Intel)
Upstream: Imran Desai (Intel)

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