From security@sco.com Wed Nov  2 12:28:31 2005
From: security@sco.com
To: security-announce@list.sco.com
Date: Wed, 2 Nov 2005 12:24:58 -0500 (EST)
Subject: [Full-disclosure] SCOSA-2005.44 UnixWare 7.1.4 : Squid Denial of Service

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 			SCO Security Advisory

Subject:		UnixWare 7.1.4 : Squid Denial of Service
Advisory number: 	SCOSA-2005.44
Issue date: 		2005 November 01
Cross reference:	fz533116 fz533151 fz533254
 			CAN-2005-2794 CAN-2005-2796 CVE-2005-2917 CVE-2005-3258
______________________________________________________________________________


1. Problem Description

 	store.c in Squid 2.5.STABLE10 and earlier allows remote
 	attackers to cause a denial of service (crash) via certain
 	aborted requests that trigger an assert error related to
 	STORE_PENDING.

 	The Common Vulnerabilities and Exposures project (cve.mitre.org)
 	has assigned the name CAN-2005-2794 to this issue.

 	The sslConnectTimeout function in ssl.c for Squid 2.5.STABLE10
 	and earlier allows remote attackers to cause a denial of service
 	(segmentation fault) via certain crafted requests.

 	The Common Vulnerabilities and Exposures project (cve.mitre.org)
 	has assigned the name CAN-2005-2796 to this issue.

 	Squid 2.5.STABLE10 and earlier, while performing NTLM
 	authentication, does not properly handle certain request
 	sequences, which allows attackers to cause a denial of service
 	(daemon restart).

 	The Common Vulnerabilities and Exposures project (cve.mitre.org)
 	has assigned the name CVE-2005-2917 to this issue

 	The rfc1738_do_escape function in ftp.c for Squid 2.5 STABLE11
 	and earlier allows remote FTP servers to cause a denial of
 	service (segmentation fault) via certain "odd" responses.

 	The Common Vulnerabilities and Exposures project (cve.mitre.org)
 	has assigned the name CVE-2005-3258 to this issue.


2. Vulnerable Supported Versions

 	System				Binaries
 	----------------------------------------------------------------------
 	UnixWare 7.1.4 			squid 2.5.STABLE12 distribution


3. Solution

 	The proper solution is to install the latest packages.


4. UnixWare 7.1.4

 	4.1 Location of Fixed Binaries

 	ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.44


 	4.2 Verification

 	32fd0223233496f737e85a9aa31f00a4  squid-2.5.STABLE12.image

 	md5 is available for download from
 		ftp://ftp.sco.com/pub/security/tools


 	4.3 Installing Fixed Binaries

 	Upgrade the affected binaries with the following sequence:

 	Download squid-2.5.STABLE12.image to the /var/spool/pkg directory

 	# pkgadd -d /var/spool/pkg/squid-2.5.STABLE12.image


5. References

 	Specific references for this advisory:
 		http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-STORE_PENDING
 		http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE10-sslConnectTimeout
 		http://www.squid-cache.org/Versions/v2/2.5/bugs/#squid-2.5.STABLE11-rfc1738_do_escape
 		http://securitytracker.com/id?1014846
 		http://secunia.com/advisories/16992
 		http://secunia.com/advisories/17271
 		http://www.frsirt.com/english/advisories/2005/2151

 	SCO security resources:
 		http://www.sco.com/support/security/index.html

 	SCO security advisories via email
 		http://www.sco.com/support/forums/security.html

 	This security fix closes SCO incidents fz533116 fz533151
 	fz533254.


6. Disclaimer

 	SCO is not responsible for the misuse of any of the information
 	we provide on this website and/or through our security
 	advisories. Our advisories are a service to our customers
 	intended to promote secure installation and use of SCO
 	products.


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