LPRng PSBanner Insecure Temporary File Creation Vulnerability

BID:7334

Info

LPRng PSBanner Insecure Temporary File Creation Vulnerability

Bugtraq ID: 7334
Class: Access Validation Error
CVE: CVE-2003-0136
Remote: No
Local: Yes
Published: Apr 14 2003 12:00AM
Updated: Jul 11 2009 09:06PM
Credit: Discovery of this vulnerability has been credited to Karol Lewandowski.
Vulnerable: Redhat Linux Advanced Work Station 2.1
Redhat Enterprise Linux WS 2.1
Redhat Enterprise Linux ES 2.1
Redhat Enterprise Linux AS 2.1
AStArt Technologies LPRng 3.8.19
+ Redhat Linux 9.0 i386
 + Terra Soft Solutions Yellow Dog Linux 3.0
AStArt Technologies LPRng 3.8.12
+ Gentoo Linux 1.4 _rc3
 + Gentoo Linux 1.4 _rc2
 + MandrakeSoft Corporate Server 2.1
+ Mandriva Linux Mandrake 9.0
AStArt Technologies LPRng 3.8.10 .1
AStArt Technologies LPRng 3.8.9
+ Redhat Linux 8.0
+ Redhat Linux 7.3
AStArt Technologies LPRng 3.8.6
+ Mandriva Linux Mandrake 8.2 ppc
 + Mandriva Linux Mandrake 8.2
AStArt Technologies LPRng 3.7.4
+ Redhat Linux 7.2 ia64
 + Redhat Linux 7.2 i386
 + Redhat Linux 7.1
AStArt Technologies LPRng 3.6.24
+ Immunix Immunix OS 7+
Not Vulnerable: AStArt Technologies LPRng 3.8.10 .1.2

Discussion

LPRng PSBanner Insecure Temporary File Creation Vulnerability

LPRng psbanner filter has been reported prone to an insecure temporary file creation vulnerability.

Under certain configurations, the psbanner filter creates temporary files for debugging purposes, in an insecure manner.

This vulnerability may lead to symbolic link attacks within the context of the user running the vulnerable utility.

Exploit / POC

LPRng PSBanner Insecure Temporary File Creation Vulnerability

There is no exploit required.

Solution / Fix

LPRng PSBanner Insecure Temporary File Creation Vulnerability

Solution:
Yellow Dog Linux has released an advisory (YDU-20030602-5) and fixes to address this issue. Users are recommended to run the 'apt-get' utility by issuing the following commands.

apt-get update
apt-get install LPRng

Debian have released an advisory (DSA 285-1) and fixes to address this issue. Further information on how to obtain and supply fixes can be found in the attached Debian advisory.

Red Hat has released a security advisory (RHSA-2003:142-01) containing fixes which address this issue. Users are advised to upgrade as soon as possible.

Red Hat has released an advisory (RHSA-2003:150-04). Updated packages are available through the Red Hat Network (http://rhn.redhat.com/).

Immunix has released a security advisory (IMNX-2003-7+-013-01) containing a fix to address this issue.

Gentoo Linux has released an advisory. Users who have installed net-print/lprng are advised to upgrade to lprng-3.8.12-r1 by issuing the following commands:

emerge sync
emerge lprng
emerge clean

Fixes:


AStArt Technologies LPRng 3.6.24

AStArt Technologies LPRng 3.7.4

AStArt Technologies LPRng 3.8.10 .1

AStArt Technologies LPRng 3.8.12

AStArt Technologies LPRng 3.8.19

AStArt Technologies LPRng 3.8.6

AStArt Technologies LPRng 3.8.9

References

LPRng PSBanner Insecure Temporary File Creation Vulnerability

References:

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