Bug 1465341 (CVE-2017-7524)

Summary:	CVE-2017-7524 tpm2-tools: Sending password in plaintext for HMAC generation on server
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jsnitsel, sardella, yunying.sun
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	tpm2-tools 1.1.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-09-06 06:09:56 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:	1465342, 1465343
Bug Blocks:	1488600

Description Adam Mariš 2017-06-27 09:20:51 UTC

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 09:21:12 UTC

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 08:22:26 UTC

Acknowledgments:

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