Bug 788930 (CVE-2010-4563)

Summary:	CVE-2010-4563 kernel: ipv6: sniffer detection
Product:	[Other] Security Response	Reporter:	Petr Matousek <pmatouse>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	anton, arozansk, dhoward, fhrbata, fleitner, jbenc, jpirko, kernel-mgr, lwang, rkhan, security-response-team, sforsber, tgraf
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2012-12-11 11:26:32 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Bug Depends On:	821731
Bug Blocks:	787007

Description Petr Matousek 2012-02-09 10:15:08 UTC

The Linux kernel, when using IPv6, allows remote attackers to determine whether a host is sniffing the network by sending an ICMPv6 Echo Request to a multicast address and determining whether an Echo Reply is sent, as demonstrated by thcping.

References:
http://seclists.org/dailydave/2011/q2/25
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2010-4563

Comment 3 Petr Matousek 2012-05-15 18:48:57 UTC

Statement:

The Red Hat Security Response Team has rated this issue as having low security 
impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.