Bug 1070705 (CVE-2014-0101)

Summary:	CVE-2014-0101 kernel: net: sctp: null pointer dereference when processing authenticated cookie_echo chunk
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:	Xin Long <lxin>
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	aquini, bhu, dhoward, fhrbata, iboverma, jkacur, jross, kenneth.j.hall, kernel-mgr, lgoncalv, lxin, mcressma, nobody, npajkovs, redhatbugzilla, rkhan, security-response-team, williams
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	A flaw was found in the way the Linux kernel processed an authenticated COOKIE_ECHO chunk during the initialization of an SCTP connection. A remote attacker could use this flaw to crash the system by initiating a specially crafted SCTP handshake in order to trigger a NULL pointer dereference on the system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-20 10:44:06 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:	1067451, 1070715, 1070716, 1071245, 1071246, 1071247, 1072029
Bug Blocks:	1070824

Description Petr Matousek 2014-02-27 11:56:59 UTC

Description of the problem:

A flaw was found in the way Linux kernel processed authenticated COOKIE_ECHO chunks.

A remote attacker could use this flaw to crash the system by sending a maliciously prepared SCTP handshake in order to trigger a NULL pointer dereference on the server.

Introduced by:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=bbd0d59809f9

Acknowledgements:

Red Hat would like to thank Nokia Siemens Networks for reporting this issue.

Comment 1 Petr Matousek 2014-02-27 12:04:31 UTC

Statement:

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5. Future kernel updates for Red Hat Enterprise MRG 2 may address this issue.

Comment 5 Petr Matousek 2014-03-03 17:05:09 UTC

Upstream patch submission:

http://patchwork.ozlabs.org/patch/325898/

Comment 6 Petr Matousek 2014-03-06 08:09:20 UTC

(In reply to Petr Matousek from comment #5)
> Upstream patch submission:
> 
> http://patchwork.ozlabs.org/patch/325898/

Upstream commit:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ec0223ec48a9

Comment 7 Fedora Update System 2014-03-06 08:09:49 UTC

kernel-3.13.5-202.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2014-03-09 04:38:28 UTC

kernel-3.13.5-103.fc19 has been pushed to the Fedora 19 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 9 errata-xmlrpc 2014-04-01 08:24:27 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2014:0328 https://rhn.redhat.com/errata/RHSA-2014-0328.html

Comment 11 errata-xmlrpc 2014-04-22 17:46:47 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.3 EUS - Server and Compute Node Only

Via RHSA-2014:0419 https://rhn.redhat.com/errata/RHSA-2014-0419.html

Comment 12 errata-xmlrpc 2014-04-24 17:43:57 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.4 EUS - Server and Compute Node Only

Via RHSA-2014:0432 https://rhn.redhat.com/errata/RHSA-2014-0432.html

Comment 13 errata-xmlrpc 2014-05-20 11:01:09 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 6.2 AUS

Via RHSA-2014:0520 https://rhn.redhat.com/errata/RHSA-2014-0520.html