Bug 157455

Summary:	CAN-2005-1519 DNS lookups unreliable on untrusted networks
Product:	Red Hat Enterprise Linux 4	Reporter:	Josh Bressers <bressers>
Component:	squid	Assignee:	Jay Fenlason <fenlason>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	medium
Version:	4.0	CC:	jfeeney, mjc
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:	impact=low,public=20050511,source=vendor-sec,reported=20050511
Fixed In Version:	RHSA-2005-489	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2005-06-13 12:08:48 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:

Description Josh Bressers 2005-05-11 18:39:19 UTC

Malicious users may spoof DNS lookups if the DNS client UDP port (random,
assigned by OS at startup) is unfiltered and your network is not protected from
IP spoofing.

http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE9-dns_query

Comment 1 Josh Bressers 2005-05-11 18:40:48 UTC

This issue should also affect RHEL2.1 and RHEL3

Comment 2 Josh Bressers 2005-06-13 12:08:48 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2005-489.html