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Category:   Application (Generic)  >   Enscript (GNU) Vendors:   Rossi, Markku
GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
SecurityTracker Alert ID:  1012965
SecurityTracker URL:  http://securitytracker.com/id/1012965
CVE Reference:   CVE-2004-1184, CVE-2004-1185, CVE-2004-1186   (Links to External Site)
Date:  Jan 21 2005
Impact:   Denial of service via network, Execution of arbitrary code via local system, Execution of arbitrary code via network, User access via network

Version(s): 1.6.4 and prior versions
Description:   Several vulnerabilities were reported in GNU Enscript. A local user may be able to execute arbitrary commands or cause denial of service conditions. In some cases, a remote user may also be able to trigger these flaws.

Debian reported that an input validation vulnerability in EPSF pipe support may allow arbitrary commands to be executed [CVE: CVE-2004-1184].

An input validation flaw in the processing of filenames allows arbitrary commands to be executed [CVE: CVE-2004-1185].

Several buffer overflows may cause the application to crash [CVE: CVE-2004-1186].

These flaws reside in 'src/util.c' and 'src/psgen.c'.

Debian notes that enscript is usually run locally, but may be executed remotely via other applications (such as viewcvs).

Erik Sjolund is credited with discovering these flaws.

Impact:   If the target application is called via a remotely accessible application, a remote user may be able to execute arbitrary code or cause denial of service conditions.
Solution:   No solution was available at the time of this entry.
Vendor URL:  people.ssh.fi/mtr/genscript/ (Links to External Site)
Cause:   Boundary error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Jan 21 2005 (Debian Issues Fix) GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
Debian has released a fix.
Feb 2 2005 (Red Hat Issues Fix) GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
Red Hat has released a fix.
Feb 3 2005 (Gentoo Issues Fix) GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
Gentoo has released a fix.
Feb 11 2005 (Mandrake Issues Fix) GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
Mandrake has released a fix.
Feb 15 2005 (Red Hat Issues Fix) GNU Enscript EPSF and Filename Command Input Validation Errors May Let Remote Users Execute Arbitrary Code in Certain Cases
Red Hat has released a fix.



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