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Insecure Library Loading
Moderately critical

GNU Enscript Multiple Vulnerabilities

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Release Date:  2005-01-25    Views:  8,681

Secunia Advisory SA13968

Where:

From remote

Impact:

System access

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


Erik Sjölund has reported some vulnerabilities in GNU Enscript, which potentially can be exploited by malicious people to compromise a vulnerable system.

1) Improper behaviour, where EPS data can be read from an arbitrary command pipe, can be exploited to execute arbitrary commands via an external application invoking GNU Enscript (e.g. ViewCVS).

2) An input validation error in the handling of filenames can be exploited to inject arbitrary shell commands via an external application invoking GNU Enscript.

3) Some boundary errors in "util.c" and "src/psgen.c" can be exploited to cause buffer overflows via a malicious input file with the privileges of the user running GNU Enscript.


Solution:
Do not invoke GNU Enscript from an external application where input is not properly sanitised. Do not convert untrusted input files.

Provided and/or discovered by:
Erik Sjölund

Original Advisory:
http://www.ubuntulinux.org/support/documentation/usn/usn-68-1

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: GNU Enscript Multiple Vulnerabilities

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