Bug 983653 (CVE-2013-4115)

Summary:	CVE-2013-4115 squid: buffer overflow when processing overly long DNS names (SQUID-2013:2)
Product:	[Other] Security Response	Reporter:	Jan Lieskovsky <jlieskov>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	chazlett, henrik, jonathansteffan, mluscon, thozza, vkrizan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	Squid 3.2.12, Squid 3.3.7	Doc Type:	Bug Fix
Doc Text:	A buffer overflow flaw was found in Squid's DNS lookup module. A remote attacker able to send HTTP requests to the Squid proxy could use this flaw to crash Squid.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2014-09-03 23:24:05 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:	983662, 983663, 1134936, 1134937, 1134976, 1134977
Bug Blocks:	983666

Description Jan Lieskovsky 2013-07-11 15:54:45 UTC

A buffer overflow flaw was found in the way internal DNS name lookup module of Squid, a proxy caching server, used to perform DNS lookup for overly long DNS names. A trusted Squid client or client script, able to generate HTTP requests, could use this flaw to terminate the Squid service (denial of service).

External References:

http://www.squid-cache.org/Advisories/SQUID-2013_2.txt

Comment 1 Jan Lieskovsky 2013-07-11 16:13:00 UTC

This issue affects the versions of the squid package, as shipped with Fedora release of 17, 18, and 19. Please schedule an update.

Comment 4 Jan Lieskovsky 2013-07-11 16:14:59 UTC

Created squid tracking bugs for this issue:

Affects: fedora-all [bug 983663]

Comment 6 Jan Lieskovsky 2013-07-11 16:22:30 UTC

CVE Request:
  http://www.openwall.com/lists/oss-security/2013/07/11/2

Comment 7 Jan Lieskovsky 2013-07-12 09:07:04 UTC

The CVE identifier of CVE-2013-4115 has been assigned to this issue:
  http://www.openwall.com/lists/oss-security/2013/07/11/8

Comment 8 Fedora Update System 2013-08-02 21:49:22 UTC

squid-3.2.13-1.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 Fedora Update System 2013-08-02 21:53:11 UTC

squid-3.2.13-1.fc18 has been pushed to the Fedora 18 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 11 Stefan Cornelius 2013-08-05 15:54:00 UTC

Statement:

(none)

Comment 14 Martin Prpič 2014-09-03 08:28:35 UTC

IssueDescription:

A buffer overflow flaw was found in Squid's DNS lookup module. A remote attacker able to send HTTP requests to the Squid proxy could use this flaw to crash Squid.

Comment 15 errata-xmlrpc 2014-09-03 17:43:18 UTC

This issue has been addressed in following products:

  Red Hat Enterprise Linux 5
  Red Hat Enterprise Linux 6

Via RHSA-2014:1148 https://rhn.redhat.com/errata/RHSA-2014-1148.html