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Category:   Application (Generic)  >   CUPS Vendors:   Easy Software Products
(SCO Issues Fix for UnixWare) CUPS Browsing Can Be Disabled By Remote Users
SecurityTracker Alert ID:  1011652
SecurityTracker URL:  http://securitytracker.com/id/1011652
CVE Reference:   CVE-2004-0558   (Links to External Site)
Date:  Oct 13 2004
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in the Common UNIX Printing System (CUPS). A remote user can disable browsing.

Debian reported that a remote user can send a sepcially crafted UDP packet containing illegal URL characters to cupsd on port 631 to cause denial of service conditions.

The flaw resides in 'scheduler/dirsvc.c'.

Alvaro Martinez Echevarria is credited with discovering and patching the flaw.

Impact:   A remote user can disable CUPS browsing.
Solution:   SCO has issued a fix.

UnixWare 7.1.4 / UnixWare 7.1.3up:

ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2004.15

The verification checksums are:

MD5 (erg712688.pkg) = b5b4183052dd91adf878bd256a943e51

Upgrade the affected binaries with the following sequence:

Download erg712688.pkg to the /var/spool/pkg directory

# pkgadd -d /var/spool/pkg/erg712688.pkg

Vendor URL:  www.cups.org/ (Links to External Site)
Cause:   Exception handling error, Input validation error
Underlying OS:  UNIX (Open UNIX-SCO)
Underlying OS Comments:  UnixWare 7.1.3up, 7.1.4

Message History:   This archive entry is a follow-up to the message listed below.
Sep 15 2004 CUPS Browsing Can Be Disabled By Remote Users



 Source Message Contents

Subject:  UnixWare 7.1.3up UnixWare 7.1.4 : CUPS before 1.1.21 allows remote attackers to cause a denial of service



-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1


______________________________________________________________________________

			SCO Security Advisory

Subject:		UnixWare 7.1.3up UnixWare 7.1.4 : CUPS before 1.1.21 allows remote attackers to cause a denial of service
Advisory number: 	SCOSA-2004.15
Issue date: 		2004 October 07
Cross reference:	sr891400 fz530153 erg712688 CAN-2004-0558
______________________________________________________________________________


1. Problem Description

	The Internet Printing Protocol (IPP) implementation in 
	CUPS before 1.1.21 allows remote attackers to cause a 
	denial of service via a certain UDP packet to the IPP port.

	The  Common Vulnerabilities and Exposures project
	(cve.mitre.org) has assigned the following name
	CAN-2004-0558 to this issue.

2. Vulnerable Supported Versions

	System				Binaries
	----------------------------------------------------------------------
	UnixWare 7.1.3up		cups distribution
	UnixWare 7.1.4			cups distribution

3. Solution

	The proper solution is to install the latest packages.

4. UnixWare 7.1.4 / UnixWare 7.1.3up

	4.1 Location of Fixed Binaries

	ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2004.15

	4.2 Verification

	MD5 (erg712688.pkg) = b5b4183052dd91adf878bd256a943e51

	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 erg712688.pkg to the /var/spool/pkg directory

	# pkgadd -d /var/spool/pkg/erg712688.pkg


5. References

	Specific references for this advisory:
		http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0558 
		http://xforce.iss.net/xforce/xfdb/17389

	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 sr891400 fz530153
	erg712688.


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.


7. Acknowledgments

	SCO would like to thank Alvaro Martinez Echevarria.

______________________________________________________________________________

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=iUVV
-----END PGP SIGNATURE-----

 
 


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