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enscript: Multiple vulnerabilities


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200502-03 / enscript
Release Date February 02, 2005
Latest Revision February 02, 2005: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
app-text/enscript < 1.6.3-r3 >= 1.6.3-r3 All supported architectures

Related bugreports: #77408


enscript suffers from vulnerabilities and design flaws, potentially resulting in the execution of arbitrary code.

2.  Impact Information


enscript is a powerful ASCII to PostScript file converter.


Erik Sjolund discovered several issues in enscript: it suffers from several buffer overflows (CAN-2004-1186), quotes and shell escape characters are insufficiently sanitized in filenames (CAN-2004-1185), and it supported taking input from an arbitrary command pipe, with unwanted side effects (CAN-2004-1184).


An attacker could design malicious files or input data which, once feeded into enscript, would trigger the execution of arbitrary code with the rights of the user running enscript.

3.  Resolution Information


There is no known workaround at this time.


All enscript users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-text/enscript-1.6.3-r3"

4.  References


Page updated February 02, 2005

Summary: This is a Gentoo Linux Security Advisory

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