enscript EPSF command execution

enscript-epsf-command-ececution (19012)

High Risk

Description:

GNU enscript could allow a remote attacker to execute arbitrary commands on the system, caused by improper validation of user-supplied input to the EPSF pipe support. A remote attacker could exploit this vulnerability to execute arbitrary commands on the system.

Platforms Affected:

• Apple, Mac OS X 10.4.11
• Apple, Mac OS X 10.5
• Apple, Mac OS X 10.5.1
• Apple, Mac OS X 10.5.2
• Apple, Mac OS X 10.5.3
• Apple, Mac OS X 10.5.4
• Apple, Mac OS X 10.5.5
• Apple, Mac OS X 10.5.6
• Apple, Mac OS X Server 10.4.11
• Apple, Mac OS X Server 10.5
• Apple, Mac OS X Server 10.5.1
• Apple, Mac OS X Server 10.5.2
• Apple, Mac OS X Server 10.5.3
• Apple, Mac OS X Server 10.5.4
• Apple, Mac OS X Server 10.5.5
• Apple, Mac OS X Server 10.5.6
• Canonical, Ubuntu 4.10
• Debian, Debian Linux 3.0
• Gentoo, Linux
• GNU, enscript 1.3.0
• GNU, enscript 1.4
• GNU, enscript 1.4.0
• GNU, enscript 1.5
• GNU, enscript 1.5.0
• GNU, enscript 1.6
• GNU, enscript 1.6.0
• GNU, enscript 1.6.1
• GNU, enscript 1.6.2
• GNU, enscript 1.6.3
• MandrakeSoft, Mandrake Linux 10.0 AMD64
• MandrakeSoft, Mandrake Linux 10.0
• MandrakeSoft, Mandrake Linux 10.1
• MandrakeSoft, Mandrake Linux 10.1 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 2.1
• MandrakeSoft, Mandrake Linux Corporate Server 2.1 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
• MandrakeSoft, Mandrake Linux Corporate Server 3.0
• RedHat, Enterprise Linux 2.1 WS
• RedHat, Enterprise Linux 2.1 AS
• RedHat, Enterprise Linux 2.1 ES
• RedHat, Enterprise Linux 3 WS
• RedHat, Enterprise Linux 3 Desktop
• RedHat, Enterprise Linux 3 AS
• RedHat, Enterprise Linux 3 ES
• RedHat, Enterprise Linux 4 WS
• RedHat, Enterprise Linux 4 Desktop
• RedHat, Enterprise Linux 4 AS
• RedHat, Enterprise Linux 4 ES
• RedHat, Linux Advanced Workstation 2.1 Itanium

Remedy:

For Apple Mac OS:
Apply Apple Security Update 2009-002, available from the Apple Web site. See References.

For Debian GNU/Linux 2.2 (woody):
Upgrade to the latest version of enscript (1.6.3-1.3 or later), as listed in DSA-654-1. See References.

For Gentoo Linux:
Upgrade to the latest version of enscript (1.6.3-r3 or later), as listed in GLSA 200502-03. See References.

For Red Hat Linux:
Refer to RHSA-2005:040-07 or RHSA-2005:039-06 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux:
Refer to USN-68-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

Consequences:

Gain Access

References:

• Apple Web site, About the security content of Security Update 2009-002 / Mac OS X v10.5.7 at http://support.apple.com/kb/HT3549.
• enscript Web site, enscript at http://www.gnu.org/software/enscript/enscript.html.
• BID-12329: GNU Enscript Multiple Vulnerabilities
• CVE-2004-1184: The EPSF pipe support in enscript 1.6.3 allows remote attackers or local users to execute arbitrary commands via shell metacharacters.
• DSA-654: enscript -- several vulnerabilities
• GLSA-200502-03: enscript: Multiple vulnerabilities
• MDKSA-2005:033: Updated enscript packages fix multiple vulnerabilities
• RHSA-2005-039: enscript security update
• RHSA-2005-040: enscript security update
• SECTRACK ID: 1012965: GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
• SUSE-SR:2005:004: SUSE Security Summary Report
• SUSE-SR:2005:005: SUSE Security Summary Report
• USN-68-1: enscript vulnerabilities

Reported:

Jan 21, 2005

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