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Insecure Library Loading
Less critical

PDFjam Insecure Temporary Files

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Release Date:  2008-12-22    Last Update:  2010-04-09    Views:  4,451

Secunia Advisory SA33278

Where:

Local system

Impact:

Privilege escalation

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Some security issues have been reported in PDFjam, which can be exploited by malicious, local users to perform certain actions with escalated privileges.

1) The "pdf90", "pdfjoin", and "pdfnup" scripts use temporary files in an insecure manner. This can be exploited to overwrite arbitrary files via symlink attacks.

2) The "pdf90", "pdfjoin", and "pdfnup" scripts incorrectly prefix the current directory to the "PATH" environment variable. This can be exploited to execute arbitrary commands placed in the /var/tmp/pdflatex script with escalated privileges.


Solution:
Update to version 1.21 or later.

Provided and/or discovered by:
1) Reported in a Novell bug report.
2) Reported by Martin Väth in a Gentoo bug report.

Original Advisory:
1) https://bugzilla.novell.com/show_bug.cgi?id=459031
2) https://bugs.gentoo.org/show_bug.cgi?id=252734

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: PDFjam Insecure Temporary Files

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