Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

BID:12004

Info

Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

Bugtraq ID: 12004
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2004-1270
Remote: No
Local: Yes
Published: Dec 15 2004 12:00AM
Updated: Jul 12 2009 09:26AM
Credit: Discovery is credited to Bartlomiej Sieka.
Vulnerable: SGI ProPack 3.0
Redhat Linux 9.0 i386
Redhat Linux 7.3 i386
Redhat Fedora Core3
Redhat Fedora Core2
Redhat Fedora Core1
Redhat Enterprise Linux WS 3
Redhat Enterprise Linux ES 3
Redhat Enterprise Linux AS 3
Redhat Desktop 3.0
Gentoo Linux
Easy Software Products lppasswd 1.1.22
Easy Software Products CUPS 1.1.22 rc1
Easy Software Products CUPS 1.1.20
+ ALT Linux ALT Linux Compact 2.3
+ ALT Linux ALT Linux Junior 2.3
+ Gentoo Linux 1.4 _rc3
 + Gentoo Linux 1.4 _rc2
 + Gentoo Linux 1.4 _rc1
 + MandrakeSoft apcupsd 2006.0
 + Mandriva Linux Mandrake 10.0 AMD64
 + Mandriva Linux Mandrake 10.0
+ S.u.S.E. Linux Personal 9.1
+ Ubuntu Ubuntu Linux 4.1 ppc
 + Ubuntu Ubuntu Linux 4.1 ia64
 + Ubuntu Ubuntu Linux 4.1 ia32
Not Vulnerable:

Discussion

Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

Easy Software Products lppasswd is prone to a vulnerability that may let local attackers truncate the CUPS password file.

This issue occurs because the program ignores write errors. If a local attacker can fill up the drive or otherwise trigger a write error, it is possible that the operation of writing to the CUPS password file may be aborted.

The end result is that the CUPS password file may be truncated, likely causing a denial of service condition.

Exploit / POC

Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

There is no exploit required.

Solution / Fix

Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

Solution:
RedHat has released advisories FEDORA-2004-559, and FEDORA-2004-560 to address this issue and other issues in Fedora Core 2 and 3. Please see the referenced advisories for further information.

Ubuntu has released an advisory (USN-50-1) dealing with this issue. Please see the referenced advisory for more information.

Gentoo has released an advisory GLSA 200412-25 to address various issues in CUPS. Please see the referenced advisory for more information. Gentoo users may carry out the following commands to update their computers:

emerge --sync
emerge --ask --oneshot --verbose ">=net-print/cups-1.1.23_rc1"

Gentoo has released an updated version of their CUPS advisory (GLSA 200412-25). Due to a recently discovered denial of service vulnerability, Gentoo advises that all CUPS users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-print/cups-1.1.23"

For more information please see the referenced Gentoo advisory (GLSA 200412-25).

Red Hat has released an advisory (RHSA-2005:013-20) to address various issues in CUPS. Please see the advisory in Web references for more information.

Mandrake has released advisory MDKSA-2005:008 to address various issues related to CUPS. Please see the referenced advisory for more information.

SGI has released advisory 20050101-01-U (SGI Advanced Linux Environment 3 Security Update #23) to address various issues in SGI Advanced Linux Environment 3. This advisory includes updated SGI ProPack 3 Service Pack 3 packages and patch 10137. Please see the referenced advisory for more information.

TurboLinux has released Security Announcement 17/Feb/2005 dealing with this and other issues; please see the reference section for more information.

Fedora has released Fedora Legacy Advisory (FLSA:2127) to address various issues affecting CUPS in Red Hat Linux 7.3, Red Hat Linux 9, and Fedora Core 1 for the i386 architecture. Please see the referenced advisory for more information.


Easy Software Products CUPS 1.1.20

Easy Software Products CUPS 1.1.22 rc1

SGI ProPack 3.0

References

Easy Software Products LPPassWd CUPS Password File Truncation Vulnerability

References:

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