Bug 865483 (CVE-2012-4516)

Summary:	CVE-2012-4516 librdmacm: Tried to connect to port 6125 if ibacm.port was not found
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dledford, fenlason, fweimer
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:
Clones:	866221 (view as bug list)		Environment:
Last Closed:	2013-11-22 03:17:39 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:	865510, 866221
Bug Blocks:	865513, 974906

Description Jan Lieskovsky 2012-10-11 14:49:16 UTC

A security flaw was found in the way librdmacm, a userspace RDMA Communication Managment API allowing to specify connections using TCP/IP addresses even though it opens RDMA specific connections, performed binding to the underlying ib_acm service (librdmacm used default port value of 6125 to bind to ib_acm service). An attacker able to run a rogue ib_acm service could use this flaw to make librdmacm applications to use potentially bogus address resolution information.

Upstream patch:
[1] http://git.openfabrics.org/git?p=~shefty/librdmacm.git;a=commitdiff;h=4b5c1aa734e0e734fc2ba3cd41d0ddf02170af6d

Acknowledgements:

This issue was discovered by Florian Weimer of Red Hat Product Security Team.

Comment 1 Jan Lieskovsky 2012-10-11 14:51:18 UTC

This issue did not affect the version of the librdmacm package, as shipped with Red Hat Enterprise Linux 5.

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This issue affects the version of the librdmacm package, as shipped with Red Hat Enterprise Linux 6.

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This issue affects the versions of the librdmacm package, as shipped with Fedora release of 16 and 17. Please schedule an update.

Comment 2 Jan Lieskovsky 2012-10-11 15:51:41 UTC

CVE Request:
[2] http://www.openwall.com/lists/oss-security/2012/10/11/6

Comment 3 Jan Lieskovsky 2012-10-11 15:53:19 UTC

Created librdmacm tracking bugs for this issue

Affects: fedora-all [bug 865510]

Comment 4 Vincent Danen 2012-10-11 21:16:33 UTC

This was assigned CVE-2012-4516.

Comment 7 errata-xmlrpc 2013-11-21 21:33:14 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2013:1661 https://rhn.redhat.com/errata/RHSA-2013-1661.html

Comment 8 Huzaifa S. Sidhpurwala 2013-11-22 03:17:39 UTC

Statement:

(none)