CUPS lppasswd modify passwd file
| cups-lppasswd-passwd-modify (18609) |  Medium Risk |
Description:
The Common Unix Printing System (CUPS) could allow a local attacker to modify the passwd file, caused by a vulnerability in the lppasswd utility. A local attacker could write a user-controlled error message to the passwd file.
Platforms Affected:
- Canonical, Ubuntu 4.10
- Easy Software Products, CUPS 1.1.22
- FedoraProject, Fedora Core 2
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux 10.0
- MandrakeSoft, Mandrake Linux 10.0 AMD64
- MandrakeSoft, Mandrake Linux 10.1 X86_64
- MandrakeSoft, Mandrake Linux 10.1
- MandrakeSoft, Mandrake Linux 9.2 AMD64
- MandrakeSoft, Mandrake Linux 9.2
- MandrakeSoft, Mandrake Linux Corporate Server 2.1
- MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 AS
- Turbolinux, Turbolinux 10 Desktop
- Turbolinux, Turbolinux 10 F...
- Turbolinux, Turbolinux 10 Server
- Turbolinux, Turbolinux 8 Server
- Turbolinux, Turbolinux 8 Workstation
- Turbolinux, Turbolinux Home
- Turbolinux, Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux, Turbolinux Appliance Server 1.0 Workgroup Ed
Remedy:
Upgrade to the latest version of CUPS (1.1.23rc1 or later), as listed in the CUPS Software Trouble Report #1023. See References.
For Ubuntu Linux containing the cupsys, cupsys-client or libcupsimage2 package:
Upgrade to the latest version (1.1.20final+cvs20040330-4ubuntu16.3 or later), as listed in USN-50-1 December 23, 2004 for more information. See References.
For Fedora Core 2:
Upgrade to the latest cups package (1.1.20-11.7 or later), as listed in Fedora Update Notification FEDORA-2004-559. See References.
For Mandrake Linux:
Upgrade to the latest cups package as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2005:008 for more information. See References.
Mandrake Linux 9.2: 1.1.19-10.5.92mdk or later
Mandrake Linux 10.0: 1.1.20-5.5.100mdk or later
Mandrake Linux 10.1: 1.1.21-0.rc1.7.3.101mdk or later
Mandrake Linux Corporate Server 2.1: 1.1.18-2.7.C21mdk or later
Mandrake Linux Corporate Server 3.0: 1.1.20-5.5.C30mdk or later
For Red Hat Linux (CUPS):
Refer to RHSA-2005:053-19 for patch, upgrade, or suggested workaround information. See References.
Contact your vendor for upgrade or patch information.
Consequences:
File Manipulation
References:
- CIAC Information Bulletin P-142, XPDF/GPDF - CUPS Vulnerabilities at http://www.ciac.org/ciac/bulletins/p-142.shtml.
- CUPS Software Trouble Report #1023, CUPS 1.1.22 lppasswd ignores write at http://www.cups.org/str.php?L1023.
- Fedora Update Notification FEDORA-2004-559, cups-1.1.20-11.7 update at http://www.linuxsecurity.com/content/view/117540/102/.
- University of Illinois Chicago Web site, CUPS 1.1.22 lppasswd ignores write errors, etc. at http://tigger.uic.edu/~jlongs2/holes/cups2.txt.
- BID-12007: Easy Software Products LPPassWd CUPS Password File Error Message Injection Vulnerability
- CVE-2004-1270: lppasswd in CUPS 1.1.22, when run in environments that do not ensure that file descriptors 0, 1, and 2 are open when lppasswd is called, does not verify that the passwd.new file is different from STDERR, which allows local users to control output to passwd.new via certain user input that triggers an error message.
- GLSA-200412-25: CUPS: Multiple vulnerabilities
- MDKSA-2005:008: Updated cups packages fix multiple vulnerabilities
- RHSA-2005-013: cups security update
- RHSA-2005-053: CUPS security update
Reported:
Dec 17, 2004
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