Bug 1585966 (CVE-2018-10811)

Summary:	CVE-2018-10811 strongswan: Missing initialization of a variable in IKEv2 key derivation allows denial of service
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	avagarwa, code, mikhail.zabaluev, sspreitz
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	strongswan 5.6.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2018-06-05 08:35:21 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:	1585968, 1585969
Bug Blocks:

Description Adam Mariš 2018-06-05 08:30:52 UTC

A denial-of-service vulnerability in the IKEv2 key derivation if the openssl plugin is used in FIPS mode and HMAC-MD5 is negotiated as PRF was discovered. All strongSwan versions since 5.0.1 may be affected.

Upstream patches:

https://download.strongswan.org/security/CVE-2018-10811/

External References:

https://www.strongswan.org/blog/2018/05/28/strongswan-vulnerability-(cve-2018-10811).html

Comment 1 Adam Mariš 2018-06-05 08:31:27 UTC

Created strongswan tracking bugs for this issue:

Affects: epel-all [bug 1585969]
Affects: fedora-all [bug 1585968]

Comment 2 Adam Mariš 2018-06-05 08:35:27 UTC

Statement:

This issue did not affect the versions of strongimcv as shipped with Red Hat Enterprise Linux 7 as they did not include support for IKE features.