Bug 1327957 (CVE-2016-3071)

Summary:	CVE-2016-3071 libreswan: DoS when receiving an IKE transforn containing AES_XCBC
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	anemec, pwouters
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libreswan 3.17	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-04-19 08:29:20 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:	1327958
Bug Blocks:

Description Andrej Nemec 2016-04-18 07:09:12 UTC

A security vulnerability was introduced in libreswan 3.16. The pluto IKE daemon would restart when receiving an IKE transform containg AES_XCBC.

External references:

https://lists.libreswan.org/pipermail/swan-announce/2016/000019.html

Comment 1 Andrej Nemec 2016-04-18 07:09:35 UTC

Created libreswan tracking bugs for this issue:

Affects: fedora-all [bug 1327958]

Comment 2 Paul Wouters 2016-04-18 15:53:09 UTC

3.17-1 packages for fedora were already pushed and are in stable

Comment 3 Andrej Nemec 2016-04-19 08:29:20 UTC

(In reply to Paul Wouters from comment #2)
> 3.17-1 packages for fedora were already pushed and are in stable

Thanks, this is now fixed in fedora.