Bug 1503103 – CVE-2017-12197 libpam4j: Account check bypass

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Bug 1503103 - (CVE-2017-12197) CVE-2017-12197 libpam4j: Account check bypass

Summary:	CVE-2017-12197 libpam4j: Account check bypass

Status:	CLOSED ERRATA

Aliases:	CVE-2017-12197

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20171017,repor...
Keywords:	Security

Duplicates:	1502898 (view as bug list)
Depends On:	1511366 1639395
Blocks:	1491381
	Show dependency tree / graph

Reported:	2017-10-17 07:42 EDT by Adam Mariš
Modified:	2018-10-15 11:38 EDT (History)
CC List:	12 users (show)

See Also:
Fixed In Version:
Doc Type:	If docs needed, set a value
Doc Text:	It was found that libpam4j did not properly validate user accounts when authenticating. A user with a valid password for a disabled account would be able to bypass security restrictions and possibly access sensitive information.
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-11-13 21:59:27 EST
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:2904	normal	SHIPPED_LIVE	Moderate: rh-sso7-keycloak security update	2017-10-17 19:53:00 EDT
Red Hat Product Errata	RHSA-2017:2905	normal	SHIPPED_LIVE	Moderate: rh-sso7-keycloak security update	2017-10-17 19:53:19 EDT
Red Hat Product Errata	RHSA-2017:2906	normal	SHIPPED_LIVE	Moderate: Red Hat Single Sign-On security update	2017-10-17 19:42:35 EDT

Groups: None (edit)

Description Adam Mariš 2017-10-17 07:42:06 EDT

PAM.authentication() does not call pam_acct_mgmt(). As a consequence, the PAM account is not properly verified. Any user with a valid password but with deactivated or disabled account is able to log in.

Comment 1 Adam Mariš 2017-10-17 07:42:13 EDT

Acknowledgments:

Name: Christian Heimes (Red Hat)

Comment 2 Chess Hazlett 2017-10-17 09:00:50 EDT

*** Bug 1502898 has been marked as a duplicate of this bug. ***

Comment 3 errata-xmlrpc 2017-10-17 15:43:10 EDT

This issue has been addressed in the following products:

  Red Hat Single Sign-On

Via RHSA-2017:2906 https://access.redhat.com/errata/RHSA-2017:2906

Comment 4 errata-xmlrpc 2017-10-17 15:54:11 EDT

This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.1 for RHEL 6

Via RHSA-2017:2904 https://access.redhat.com/errata/RHSA-2017:2904

Comment 5 errata-xmlrpc 2017-10-17 15:54:42 EDT

This issue has been addressed in the following products:

  Red Hat Single Sign-On 7.1 for RHEL 7

Via RHSA-2017:2905 https://access.redhat.com/errata/RHSA-2017:2905

Comment 6 Markus Koschany 2017-11-03 16:00:47 EDT

Would it be possible to share the patch for this security issue or has someone forwarded it upstream already?

Comment 8 Chess Hazlett 2017-11-07 13:25:38 EST

It's been resolved in upstream, keycloak 3.3.0.Final. [https://issues.jboss.org/browse/KEYCLOAK-5551]

Comment 9 Tomas Hoger 2017-11-09 04:00:45 EST

Created libpam4j tracking bugs for this issue:

Affects: fedora-all [bug 1511366]

Comment 10 Chess Hazlett 2017-11-13 21:59:27 EST

closing, this has been resolved in RHSSO and Fedora trackers filed.

Comment 11 Andrej Nemec 2018-10-15 11:38:01 EDT

Created jenkins-pam-auth-plugin tracking bugs for this issue:

Affects: fedora-all [bug 1639395]

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